258150625 has 20 divisors (see below), whose sum is σ = 339578800. Its totient is φ = 195642000.

The previous prime is 258150611. The next prime is 258150631. The reversal of 258150625 is 526051852.

It is a de Polignac number, because none of the positive numbers 2^k-258150625 is a prime.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 1006 + ... + 22744.

It is an arithmetic number, because the mean of its divisors is an integer number (16978940).

Almost surely, 2^258150625 is an apocalyptic number.

258150625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

258150625 is a deficient number, since it is larger than the sum of its proper divisors (81428175).

258150625 is an equidigital number, since it uses as much as digits as its factorization.

258150625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21778 (or 21763 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 258150625 is about 16067.0664715125. The cubic root of 258150625 is about 636.7335399666.

The spelling of 258150625 in words is "two hundred fifty-eight million, one hundred fifty thousand, six hundred twenty-five".