265061025 has 48 divisors (see below), whose sum is σ = 515592000. Its totient is φ = 133044480.

The previous prime is 265061011. The next prime is 265061051. The reversal of 265061025 is 520160562.

265061025 is a `hidden beast` number, since 2 + 650 + 6 + 1 + 0 + 2 + 5 = 666.

It is not a de Polignac number, because 265061025 - 2⁴ = 265061009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 265061025.

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 47 ways as a sum of consecutive naturals, for example, 75 + ... + 23024.

It is an arithmetic number, because the mean of its divisors is an integer number (10741500).

Almost surely, 2^265061025 is an apocalyptic number.

265061025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

265061025 is a deficient number, since it is larger than the sum of its proper divisors (250530975).

265061025 is a wasteful number, since it uses less digits than its factorization.

265061025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23135 (or 23124 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 265061025 is about 16280.6948561786. The cubic root of 265061025 is about 642.3651298814.

The spelling of 265061025 in words is "two hundred sixty-five million, sixty-one thousand, twenty-five".