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525125341 = 1340394257
BaseRepresentation
bin11111010011001…
…100011011011101
31100121010010112201
4133103030123131
52033413002331
6124035131501
716004330446
oct3723143335
91317103481
10525125341
1124a468494
12127a43b91
1384a41370
144da562cd
153117ca61
hex1f4cc6dd

525125341 has 4 divisors (see below), whose sum is σ = 565519612. Its totient is φ = 484731072.

The previous prime is 525125339. The next prime is 525125347. The reversal of 525125341 is 143521525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48358116 + 476767225 = 6954^2 + 21835^2 .

It is a cyclic number.

It is not a de Polignac number, because 525125341 - 21 = 525125339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525125347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20197116 + ... + 20197141.

It is an arithmetic number, because the mean of its divisors is an integer number (141379903).

Almost surely, 2525125341 is an apocalyptic number.

It is an amenable number.

525125341 is a deficient number, since it is larger than the sum of its proper divisors (40394271).

525125341 is a wasteful number, since it uses less digits than its factorization.

525125341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40394270.

The product of its digits is 6000, while the sum is 28.

The square root of 525125341 is about 22915.6134764051. The cubic root of 525125341 is about 806.7785175102.

Adding to 525125341 its reverse (143521525), we get a palindrome (668646866).

The spelling of 525125341 in words is "five hundred twenty-five million, one hundred twenty-five thousand, three hundred forty-one".

Divisors: 1 13 40394257 525125341