258039297 has 16 divisors (see below), whose sum is σ = 385792000. Its totient is φ = 170446032.

The previous prime is 258039253. The next prime is 258039329. The reversal of 258039297 is 792930852.

258039297 is a `hidden beast` number, since 258 + 0 + 392 + 9 + 7 = 666.

It is not a de Polignac number, because 258039297 - 2¹⁰ = 258038273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258039097) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 40897 + ... + 46782.

It is an arithmetic number, because the mean of its divisors is an integer number (24112000).

Almost surely, 2^258039297 is an apocalyptic number.

258039297 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

258039297 is a deficient number, since it is larger than the sum of its proper divisors (127752703).

258039297 is a wasteful number, since it uses less digits than its factorization.

258039297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87797 (or 87791 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 258039297 is about 16063.6016198112. The cubic root of 258039297 is about 636.6419959130.

The spelling of 258039297 in words is "two hundred fifty-eight million, thirty-nine thousand, two hundred ninety-seven".