258012485 has 8 divisors (see below), whose sum is σ = 327827736. Its totient is φ = 194268160.

The previous prime is 258012463. The next prime is 258012497. The reversal of 258012485 is 584210852.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 71334916 + 186677569 = 8446^2 + 13663^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 258012485 - 2²⁰ = 256963909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517636 + ... + 1517805.

It is an arithmetic number, because the mean of its divisors is an integer number (40978467).

Almost surely, 2^258012485 is an apocalyptic number.

It is an amenable number.

258012485 is a deficient number, since it is larger than the sum of its proper divisors (69815251).

258012485 is a wasteful number, since it uses less digits than its factorization.

258012485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035463.

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 258012485 is about 16062.7670405818. The cubic root of 258012485 is about 636.6199447027.

The spelling of 258012485 in words is "two hundred fifty-eight million, twelve thousand, four hundred eighty-five".