259972458 has 16 divisors (see below), whose sum is σ = 520173120. Its totient is φ = 86619456.

The previous prime is 259972457. The next prime is 259972477. The reversal of 259972458 is 854279952.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 259972458.

It is not an unprimeable number, because it can be changed into a prime (259972451) 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, 7698 + ... + 24066.

It is an arithmetic number, because the mean of its divisors is an integer number (32510820).

Almost surely, 2^259972458 is an apocalyptic number.

259972458 is an abundant number, since it is smaller than the sum of its proper divisors (260200662).

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

259972458 is a wasteful number, since it uses less digits than its factorization.

259972458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19021.

The product of its digits is 1814400, while the sum is 51.

The square root of 259972458 is about 16123.6614328136. The cubic root of 259972458 is about 638.2278923038.

It can be divided in two parts, 2599 and 72458, that added together give a palindrome (75057).

The spelling of 259972458 in words is "two hundred fifty-nine million, nine hundred seventy-two thousand, four hundred fifty-eight".