65258125 has 20 divisors (see below), whose sum is σ = 82120588. Its totient is φ = 51840000.

The previous prime is 65258119. The next prime is 65258129. The reversal of 65258125 is 52185256.

It can be written as a sum of positive squares in 10 ways, for example, as 59013124 + 6245001 = 7682^2 + 2499^2 .

It is not a de Polignac number, because 65258125 - 2³ = 65258117 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65258129) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 120355 + ... + 120895.

Almost surely, 2^65258125 is an apocalyptic number.

It is an amenable number.

65258125 is a deficient number, since it is larger than the sum of its proper divisors (16862463).

65258125 is an equidigital number, since it uses as much as digits as its factorization.

65258125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 739 counting only the distinct ones).

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

The square root of 65258125 is about 8078.2501199208. The cubic root of 65258125 is about 402.6041035712.

The spelling of 65258125 in words is "sixty-five million, two hundred fifty-eight thousand, one hundred twenty-five".