265377225 has 24 divisors (see below), whose sum is σ = 464568480. Its totient is φ = 133208320.

The previous prime is 265377193. The next prime is 265377239. The reversal of 265377225 is 522773562.

265377225 = 3943² + 3944² + ... + 3959².

It is not a de Polignac number, because 265377225 - 2⁵ = 265377193 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102795 + ... + 105344.

It is an arithmetic number, because the mean of its divisors is an integer number (19357020).

Almost surely, 2^265377225 is an apocalyptic number.

265377225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

265377225 is a deficient number, since it is larger than the sum of its proper divisors (199191255).

265377225 is a wasteful number, since it uses less digits than its factorization.

265377225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208169 (or 208164 counting only the distinct ones).

The product of its digits is 176400, while the sum is 39.

The square root of 265377225 is about 16290.4028495308. The cubic root of 265377225 is about 642.6204611958.

The spelling of 265377225 in words is "two hundred sixty-five million, three hundred seventy-seven thousand, two hundred twenty-five".