253165395 has 32 divisors (see below), whose sum is σ = 468149760. Its totient is φ = 114428160.

The previous prime is 253165361. The next prime is 253165399. The reversal of 253165395 is 593561352.

It is not a de Polignac number, because 253165395 - 2⁷ = 253165267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253165399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4201 + ... + 22890.

It is an arithmetic number, because the mean of its divisors is an integer number (14629680).

Almost surely, 2^253165395 is an apocalyptic number.

253165395 is a deficient number, since it is larger than the sum of its proper divisors (214984365).

253165395 is a wasteful number, since it uses less digits than its factorization.

253165395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27195.

The product of its digits is 121500, while the sum is 39.

The square root of 253165395 is about 15911.1720184278. The cubic root of 253165395 is about 632.6081470260.

The spelling of 253165395 in words is "two hundred fifty-three million, one hundred sixty-five thousand, three hundred ninety-five".