525623011 has 16 divisors (see below), whose sum is σ = 579225600. Its totient is φ = 475070400.

The previous prime is 525623009. The next prime is 525623039. The reversal of 525623011 is 110326525.

It is a cyclic number.

It is not a de Polignac number, because 525623011 - 2¹ = 525623009 is a prime.

It is a super-2 number, since 2×525623011² = 552559099385412242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525623081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35535 + ... + 48103.

It is an arithmetic number, because the mean of its divisors is an integer number (36201600).

Almost surely, 2^525623011 is an apocalyptic number.

525623011 is a deficient number, since it is larger than the sum of its proper divisors (53602589).

525623011 is a wasteful number, since it uses less digits than its factorization.

525623011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12690.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 525623011 is about 22926.4696584537. The cubic root of 525623011 is about 807.0333028355.

Adding to 525623011 its reverse (110326525), we get a palindrome (635949536).

The spelling of 525623011 in words is "five hundred twenty-five million, six hundred twenty-three thousand, eleven".