259232491 has 12 divisors (see below), whose sum is σ = 301877928. Its totient is φ = 221962272.

The previous prime is 259232483. The next prime is 259232503. The reversal of 259232491 is 194232952.

It is not a de Polignac number, because 259232491 - 2³ = 259232483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 259232491.

It is not an unprimeable number, because it can be changed into a prime (259232461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55935 + ... + 60391.

It is an arithmetic number, because the mean of its divisors is an integer number (25156494).

Almost surely, 2^259232491 is an apocalyptic number.

259232491 is a deficient number, since it is larger than the sum of its proper divisors (42645437).

259232491 is a wasteful number, since it uses less digits than its factorization.

259232491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5658 (or 5651 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 259232491 is about 16100.6984631102. The cubic root of 259232491 is about 637.6217814764.

The spelling of 259232491 in words is "two hundred fifty-nine million, two hundred thirty-two thousand, four hundred ninety-one".