253266165 has 12 divisors (see below), whose sum is σ = 438994764. Its totient is φ = 135075264.

The previous prime is 253266161. The next prime is 253266203. The reversal of 253266165 is 561662352.

It is a happy number.

253266165 is a `hidden beast` number, since 2 + 5 + 32 + 6 + 616 + 5 = 666.

253266165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 141562404 + 111703761 = 11898^2 + 10569^2 .

It is not a de Polignac number, because 253266165 - 2² = 253266161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253266161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2814024 + ... + 2814113.

It is an arithmetic number, because the mean of its divisors is an integer number (36582897).

Almost surely, 2^253266165 is an apocalyptic number.

It is an amenable number.

253266165 is a deficient number, since it is larger than the sum of its proper divisors (185728599).

253266165 is a wasteful number, since it uses less digits than its factorization.

253266165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5628148 (or 5628145 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 253266165 is about 15914.3383462838. The cubic root of 253266165 is about 632.6920703794.

The spelling of 253266165 in words is "two hundred fifty-three million, two hundred sixty-six thousand, one hundred sixty-five".