258373881 has 24 divisors (see below), whose sum is σ = 403865280. Its totient is φ = 164756592.

The previous prime is 258373877. The next prime is 258373891. The reversal of 258373881 is 188373852.

It is not a de Polignac number, because 258373881 - 2² = 258373877 is a prime.

It is a super-2 number, since 2×258373881² = 133514124766004322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (258373811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17526 + ... + 28703.

It is an arithmetic number, because the mean of its divisors is an integer number (16827720).

Almost surely, 2^258373881 is an apocalyptic number.

It is an amenable number.

258373881 is a deficient number, since it is larger than the sum of its proper divisors (145491399).

258373881 is an equidigital number, since it uses as much as digits as its factorization.

258373881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46267 (or 46255 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 258373881 is about 16074.0125979794. The cubic root of 258373881 is about 636.9170421669.

The spelling of 258373881 in words is "two hundred fifty-eight million, three hundred seventy-three thousand, eight hundred eighty-one".