255697832 has 16 divisors (see below), whose sum is σ = 516313140. Its totient is φ = 118014336.

The previous prime is 255697777. The next prime is 255697859. The reversal of 255697832 is 238796552.

It can be written as a sum of positive squares in 2 ways, for example, as 246050596 + 9647236 = 15686^2 + 3106^2 .

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, 1229213 + ... + 1229420.

Almost surely, 2^255697832 is an apocalyptic number.

It is an amenable number.

255697832 is an abundant number, since it is smaller than the sum of its proper divisors (260615308).

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

255697832 is a wasteful number, since it uses less digits than its factorization.

255697832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458652 (or 2458648 counting only the distinct ones).

The product of its digits is 907200, while the sum is 47.

The square root of 255697832 is about 15990.5544619316. The cubic root of 255697832 is about 634.7104985754.

The spelling of 255697832 in words is "two hundred fifty-five million, six hundred ninety-seven thousand, eight hundred thirty-two".