258461375 has 8 divisors (see below), whose sum is σ = 322559952. Its totient is φ = 206769000.

The previous prime is 258461363. The next prime is 258461381. The reversal of 258461375 is 573164852.

It is a de Polignac number, because none of the positive numbers 2^k-258461375 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033721 + ... + 1033970.

It is an arithmetic number, because the mean of its divisors is an integer number (40319994).

Almost surely, 2^258461375 is an apocalyptic number.

258461375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

258461375 is a deficient number, since it is larger than the sum of its proper divisors (64098577).

258461375 is an equidigital number, since it uses as much as digits as its factorization.

258461375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067706 (or 2067696 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 258461375 is about 16076.7339655790. The cubic root of 258461375 is about 636.9889278265.

The spelling of 258461375 in words is "two hundred fifty-eight million, four hundred sixty-one thousand, three hundred seventy-five".