255590697 has 8 divisors (see below), whose sum is σ = 355604544. Its totient is φ = 162985328.

The previous prime is 255590681. The next prime is 255590737. The reversal of 255590697 is 796095552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255590697 - 2⁴ = 255590681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255590197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1852038 + ... + 1852175.

It is an arithmetic number, because the mean of its divisors is an integer number (44450568).

Almost surely, 2^255590697 is an apocalyptic number.

It is an amenable number.

255590697 is a deficient number, since it is larger than the sum of its proper divisors (100013847).

255590697 is a wasteful number, since it uses less digits than its factorization.

255590697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704239.

The product of its (nonzero) digits is 850500, while the sum is 48.

The square root of 255590697 is about 15987.2041645811. The cubic root of 255590697 is about 634.6218402711.

The spelling of 255590697 in words is "two hundred fifty-five million, five hundred ninety thousand, six hundred ninety-seven".