525668957 has 4 divisors (see below), whose sum is σ = 573457056. Its totient is φ = 477880860.

The previous prime is 525668921. The next prime is 525668971. The reversal of 525668957 is 759866525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 525668957 - 2¹⁴ = 525652573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525668899 and 525668908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525668987) 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, 23894033 + ... + 23894054.

It is an arithmetic number, because the mean of its divisors is an integer number (143364264).

Almost surely, 2^525668957 is an apocalyptic number.

It is an amenable number.

525668957 is a deficient number, since it is larger than the sum of its proper divisors (47788099).

525668957 is a wasteful number, since it uses less digits than its factorization.

525668957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47788098.

The product of its digits is 4536000, while the sum is 53.

The square root of 525668957 is about 22927.4716661040. The cubic root of 525668957 is about 807.0568170722.

It can be divided in two parts, 525668 and 957, that added together give a palindrome (526625).

The spelling of 525668957 in words is "five hundred twenty-five million, six hundred sixty-eight thousand, nine hundred fifty-seven".