231251552 has 24 divisors (see below), whose sum is σ = 520316496. Its totient is φ = 99107712.

The previous prime is 231251533. The next prime is 231251563. The reversal of 231251552 is 255152132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515963 + ... + 516410.

It is an arithmetic number, because the mean of its divisors is an integer number (21679854).

Almost surely, 2^231251552 is an apocalyptic number.

It is an amenable number.

231251552 is an abundant number, since it is smaller than the sum of its proper divisors (289064944).

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

231251552 is a wasteful number, since it uses less digits than its factorization.

231251552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032390 (or 1032382 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 231251552 is about 15206.9573551056. The cubic root of 231251552 is about 613.8018862366.

The spelling of 231251552 in words is "two hundred thirty-one million, two hundred fifty-one thousand, five hundred fifty-two".