258270765 has 16 divisors (see below), whose sum is σ = 426564096. Its totient is φ = 133300800.

The previous prime is 258270763. The next prime is 258270769. The reversal of 258270765 is 567072852.

It is not a de Polignac number, because 258270765 - 2¹ = 258270763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258270763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277246 + ... + 278175.

It is an arithmetic number, because the mean of its divisors is an integer number (26660256).

Almost surely, 2^258270765 is an apocalyptic number.

It is an amenable number.

258270765 is a deficient number, since it is larger than the sum of its proper divisors (168293331).

258270765 is a wasteful number, since it uses less digits than its factorization.

258270765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555460.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 258270765 is about 16070.8047402736. The cubic root of 258270765 is about 636.8323005301.

The spelling of 258270765 in words is "two hundred fifty-eight million, two hundred seventy thousand, seven hundred sixty-five".