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525141525 = 3527001887
BaseRepresentation
bin11111010011010…
…000011000010101
31100121010221202010
4133103100120111
52033414012100
6124035334433
716004425566
oct3723203025
91317127663
10525141525
1124a479667
12127a51419
1384a4883c
144da5c16d
1531182750
hex1f4d0615

525141525 has 12 divisors (see below), whose sum is σ = 868234112. Its totient is φ = 280075440.

The previous prime is 525141517. The next prime is 525141527.

525141525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 525141525 - 23 = 525141517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 525141492 and 525141501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525141527) 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, 3500869 + ... + 3501018.

Almost surely, 2525141525 is an apocalyptic number.

It is an amenable number.

525141525 is a deficient number, since it is larger than the sum of its proper divisors (343092587).

525141525 is a wasteful number, since it uses less digits than its factorization.

525141525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7001900 (or 7001895 counting only the distinct ones).

The product of its digits is 10000, while the sum is 30.

The square root of 525141525 is about 22915.9665953675. The cubic root of 525141525 is about 806.7868055438.

Adding to 525141525 its product of digits (10000), we get a palindrome (525151525).

Subtracting from 525141525 its product of digits (10000), we obtain a palindrome (525131525).

The spelling of 525141525 in words is "five hundred twenty-five million, one hundred forty-one thousand, five hundred twenty-five".

Divisors: 1 3 5 15 25 75 7001887 21005661 35009435 105028305 175047175 525141525