258120752 has 20 divisors (see below), whose sum is σ = 508587240. Its totient is φ = 126872448.

The previous prime is 258120721. The next prime is 258120767. The reversal of 258120752 is 257021852.

It is a happy number.

It is a super-2 number, since 2×258120752² = 133252645226091008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135773 + ... + 137660.

It is an arithmetic number, because the mean of its divisors is an integer number (25429362).

Almost surely, 2^258120752 is an apocalyptic number.

It is an amenable number.

258120752 is a deficient number, since it is larger than the sum of its proper divisors (250466488).

258120752 is a wasteful number, since it uses less digits than its factorization.

258120752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273500 (or 273494 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 258120752 is about 16066.1368100735. The cubic root of 258120752 is about 636.7089782405.

The spelling of 258120752 in words is "two hundred fifty-eight million, one hundred twenty thousand, seven hundred fifty-two".