253550265 has 16 divisors (see below), whose sum is σ = 405960000. Its totient is φ = 135133632.

The previous prime is 253550261. The next prime is 253550267. The reversal of 253550265 is 562055352.

It is not a de Polignac number, because 253550265 - 2² = 253550261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253550261) 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, 20511 + ... + 30459.

It is an arithmetic number, because the mean of its divisors is an integer number (25372500).

Almost surely, 2^253550265 is an apocalyptic number.

It is an amenable number.

253550265 is a deficient number, since it is larger than the sum of its proper divisors (152409735).

253550265 is a wasteful number, since it uses less digits than its factorization.

253550265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11656.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 253550265 is about 15923.2617575671. The cubic root of 253550265 is about 632.9285549866.

The spelling of 253550265 in words is "two hundred fifty-three million, five hundred fifty thousand, two hundred sixty-five".