264666125 has 16 divisors (see below), whose sum is σ = 330857904. Its totient is φ = 211377600.

The previous prime is 264666121. The next prime is 264666139. The reversal of 264666125 is 521666462.

It can be written as a sum of positive squares in 8 ways, for example, as 44262409 + 220403716 = 6653^2 + 14846^2 .

It is not a de Polignac number, because 264666125 - 2² = 264666121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264666121) 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, 93227 + ... + 96023.

It is an arithmetic number, because the mean of its divisors is an integer number (20678619).

Almost surely, 2^264666125 is an apocalyptic number.

264666125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

264666125 is a deficient number, since it is larger than the sum of its proper divisors (66191779).

264666125 is an equidigital number, since it uses as much as digits as its factorization.

264666125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3569 (or 3559 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 264666125 is about 16268.5624749085. The cubic root of 264666125 is about 642.0459630398.

The spelling of 264666125 in words is "two hundred sixty-four million, six hundred sixty-six thousand, one hundred twenty-five".