523401025 has 24 divisors (see below), whose sum is σ = 747104960. Its totient is φ = 356304960.

The previous prime is 523401017. The next prime is 523401029. The reversal of 523401025 is 520104325.

It is not a de Polignac number, because 523401025 - 2³ = 523401017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 523400987 and 523401005.

It is not an unprimeable number, because it can be changed into a prime (523401029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13567 + ... + 35083.

Almost surely, 2^523401025 is an apocalyptic number.

It is an amenable number.

523401025 is a deficient number, since it is larger than the sum of its proper divisors (223703935).

523401025 is a wasteful number, since it uses less digits than its factorization.

523401025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21673 (or 21668 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 523401025 is about 22877.9593714125. The cubic root of 523401025 is about 805.8944958336.

The spelling of 523401025 in words is "five hundred twenty-three million, four hundred one thousand, twenty-five".