258461005 has 32 divisors (see below), whose sum is σ = 359147520. Its totient is φ = 176700480.

The previous prime is 258460999. The next prime is 258461011. The reversal of 258461005 is 500164852.

It is an interprime number because it is at equal distance from previous prime (258460999) and next prime (258461011).

It is not a de Polignac number, because 258461005 - 2³ = 258460997 is a prime.

It is a super-2 number, since 2×258461005² = 133604182211220050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72904 + ... + 76366.

It is an arithmetic number, because the mean of its divisors is an integer number (11223360).

Almost surely, 2^258461005 is an apocalyptic number.

It is an amenable number.

258461005 is a deficient number, since it is larger than the sum of its proper divisors (100686515).

258461005 is a wasteful number, since it uses less digits than its factorization.

258461005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3561.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 258461005 is about 16076.7224582624. The cubic root of 258461005 is about 636.9886238662.

The spelling of 258461005 in words is "two hundred fifty-eight million, four hundred sixty-one thousand, five".