259254431 has 8 divisors (see below), whose sum is σ = 261894480. Its totient is φ = 256620672.

The previous prime is 259254427. The next prime is 259254433. The reversal of 259254431 is 134452952.

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 259254431 - 2² = 259254427 is a prime.

It is a super-2 number, since 2×259254431² = 134425719986267522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 259254391 and 259254400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259254433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163400 + ... + 164978.

It is an arithmetic number, because the mean of its divisors is an integer number (32736810).

Almost surely, 2^259254431 is an apocalyptic number.

259254431 is a deficient number, since it is larger than the sum of its proper divisors (2640049).

259254431 is a wasteful number, since it uses less digits than its factorization.

259254431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145.

The product of its digits is 43200, while the sum is 35.

The square root of 259254431 is about 16101.3797855960. The cubic root of 259254431 is about 637.6397692258.

The spelling of 259254431 in words is "two hundred fifty-nine million, two hundred fifty-four thousand, four hundred thirty-one".