258743265 has 16 divisors (see below), whose sum is σ = 451624896. Its totient is φ = 125451200.

The previous prime is 258743263. The next prime is 258743291. The reversal of 258743265 is 562347852.

It is not a de Polignac number, because 258743265 - 2¹ = 258743263 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (258743263) 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, 783906 + ... + 784235.

It is an arithmetic number, because the mean of its divisors is an integer number (28226556).

Almost surely, 2^258743265 is an apocalyptic number.

It is an amenable number.

258743265 is a deficient number, since it is larger than the sum of its proper divisors (192881631).

258743265 is a wasteful number, since it uses less digits than its factorization.

258743265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568160.

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

The square root of 258743265 is about 16085.4985934537. The cubic root of 258743265 is about 637.2204202746.

The spelling of 258743265 in words is "two hundred fifty-eight million, seven hundred forty-three thousand, two hundred sixty-five".