258265347 has 16 divisors (see below), whose sum is σ = 362818560. Its totient is φ = 162961632.

The previous prime is 258265339. The next prime is 258265349. The reversal of 258265347 is 743562852.

It is not a de Polignac number, because 258265347 - 2³ = 258265339 is a prime.

It is a super-2 number, since 2×258265347² = 133401978922060818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 258265299 and 258265308.

It is not an unprimeable number, because it can be changed into a prime (258265349) 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, 115918 + ... + 118124.

It is an arithmetic number, because the mean of its divisors is an integer number (22676160).

Almost surely, 2^258265347 is an apocalyptic number.

258265347 is a deficient number, since it is larger than the sum of its proper divisors (104553213).

258265347 is a wasteful number, since it uses less digits than its factorization.

258265347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282.

The product of its digits is 403200, while the sum is 42.

The square root of 258265347 is about 16070.6361728464. The cubic root of 258265347 is about 636.8278473464.

The spelling of 258265347 in words is "two hundred fifty-eight million, two hundred sixty-five thousand, three hundred forty-seven".