523251312 has 20 divisors (see below), whose sum is σ = 1351732680. Its totient is φ = 174417088.

The previous prime is 523251259. The next prime is 523251331. The reversal of 523251312 is 213152325.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5450487 + ... + 5450582.

It is an arithmetic number, because the mean of its divisors is an integer number (67586634).

Almost surely, 2^523251312 is an apocalyptic number.

It is an amenable number.

523251312 is an abundant number, since it is smaller than the sum of its proper divisors (828481368).

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

523251312 is a wasteful number, since it uses less digits than its factorization.

523251312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10901080 (or 10901074 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 523251312 is about 22874.6871454016. The cubic root of 523251312 is about 805.8176494752.

The spelling of 523251312 in words is "five hundred twenty-three million, two hundred fifty-one thousand, three hundred twelve".