523245400 has 48 divisors (see below), whose sum is σ = 1269450000. Its totient is φ = 200196480.

The previous prime is 523245367. The next prime is 523245419. The reversal of 523245400 is 4542325.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52275 + ... + 61474.

It is an arithmetic number, because the mean of its divisors is an integer number (26446875).

Almost surely, 2^523245400 is an apocalyptic number.

523245400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

523245400 is an abundant number, since it is smaller than the sum of its proper divisors (746204600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523245400 is a wasteful number, since it uses less digits than its factorization.

523245400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113788 (or 113779 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 523245400 is about 22874.5579192255. The cubic root of 523245400 is about 805.8146145971.

Adding to 523245400 its reverse (4542325), we get a palindrome (527787725).

The spelling of 523245400 in words is "five hundred twenty-three million, two hundred forty-five thousand, four hundred".