265420250 has 64 divisors (see below), whose sum is σ = 512179200. Its totient is φ = 102960000.

The previous prime is 265420249. The next prime is 265420271. The reversal of 265420250 is 52024562.

265420250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×265420250² = 140895818220125000, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1757675 + ... + 1757825.

It is an arithmetic number, because the mean of its divisors is an integer number (8002800).

Almost surely, 2^265420250 is an apocalyptic number.

265420250 is a deficient number, since it is larger than the sum of its proper divisors (246758950).

265420250 is a wasteful number, since it uses less digits than its factorization.

265420250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 265420250 is about 16291.7233588101. The cubic root of 265420250 is about 642.6551881789.

The spelling of 265420250 in words is "two hundred sixty-five million, four hundred twenty thousand, two hundred fifty".