258003431 has 4 divisors (see below), whose sum is σ = 294861072. Its totient is φ = 221145792.

The previous prime is 258003419. The next prime is 258003461. The reversal of 258003431 is 134300852.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 258003431 - 2⁶ = 258003367 is a prime.

It is a super-2 number, since 2×258003431² = 133131540815543522, which contains 22 as substring.

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 258003431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258003461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18428810 + ... + 18428823.

It is an arithmetic number, because the mean of its divisors is an integer number (73715268).

Almost surely, 2^258003431 is an apocalyptic number.

258003431 is a deficient number, since it is larger than the sum of its proper divisors (36857641).

258003431 is an equidigital number, since it uses as much as digits as its factorization.

258003431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36857640.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 258003431 is about 16062.4852062189. The cubic root of 258003431 is about 636.6124980031.

The spelling of 258003431 in words is "two hundred fifty-eight million, three thousand, four hundred thirty-one".