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5312532725 = 521712500077
BaseRepresentation
bin1001111001010011…
…01101000011110101
3111201020110121212022
410330221231003311
541340002021400
62235054002525
7245435532413
oct47451550365
914636417768
105312532725
112286871515
1210431a6445
13668826cb6
143857b82b3
152115ddb85
hex13ca6d0f5

5312532725 has 12 divisors (see below), whose sum is σ = 6975043524. Its totient is φ = 4000024320.

The previous prime is 5312532689. The next prime is 5312532727. The reversal of 5312532725 is 5272352135.

It can be written as a sum of positive squares in 6 ways, for example, as 17956 + 5312514769 = 134^2 + 72887^2 .

It is not a de Polignac number, because 5312532725 - 216 = 5312467189 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312532727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6249614 + ... + 6250463.

It is an arithmetic number, because the mean of its divisors is an integer number (581253627).

Almost surely, 25312532725 is an apocalyptic number.

It is an amenable number.

5312532725 is a deficient number, since it is larger than the sum of its proper divisors (1662510799).

5312532725 is a wasteful number, since it uses less digits than its factorization.

5312532725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12500104 (or 12500099 counting only the distinct ones).

The product of its digits is 63000, while the sum is 35.

The square root of 5312532725 is about 72887.1231768685. The cubic root of 5312532725 is about 1744.8865945463.

The spelling of 5312532725 in words is "five billion, three hundred twelve million, five hundred thirty-two thousand, seven hundred twenty-five".

Divisors: 1 5 17 25 85 425 12500077 62500385 212501309 312501925 1062506545 5312532725