258587025 has 12 divisors (see below), whose sum is σ = 427530672. Its totient is φ = 137913040.

The previous prime is 258587023. The next prime is 258587059. The reversal of 258587025 is 520785852.

It is not a de Polignac number, because 258587025 - 2¹ = 258587023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (258587023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1723839 + ... + 1723988.

It is an arithmetic number, because the mean of its divisors is an integer number (35627556).

Almost surely, 2^258587025 is an apocalyptic number.

258587025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

258587025 is a deficient number, since it is larger than the sum of its proper divisors (168943647).

258587025 is a wasteful number, since it uses less digits than its factorization.

258587025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447840 (or 3447835 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 42.

The square root of 258587025 is about 16080.6413118383. The cubic root of 258587025 is about 637.0921343402.

The spelling of 258587025 in words is "two hundred fifty-eight million, five hundred eighty-seven thousand, twenty-five".