258955005 has 16 divisors (see below), whose sum is σ = 414532800. Its totient is φ = 138041088.

The previous prime is 258954977. The next prime is 258955013. The reversal of 258955005 is 500559852.

It is not a de Polignac number, because 258955005 - 2¹⁶ = 258889469 is a prime.

It is a super-2 number, since 2×258955005² = 134115389229100050, 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 15 ways as a sum of consecutive naturals, for example, 46869 + ... + 52101.

It is an arithmetic number, because the mean of its divisors is an integer number (25908300).

Almost surely, 2^258955005 is an apocalyptic number.

It is an amenable number.

258955005 is a deficient number, since it is larger than the sum of its proper divisors (155577795).

258955005 is a wasteful number, since it uses less digits than its factorization.

258955005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540.

The product of its (nonzero) digits is 90000, while the sum is 39.

The square root of 258955005 is about 16092.0789520807. The cubic root of 258955005 is about 637.3941938974.

The spelling of 258955005 in words is "two hundred fifty-eight million, nine hundred fifty-five thousand, five".