253164897 has 12 divisors (see below), whose sum is σ = 367541460. Its totient is φ = 167918688.

The previous prime is 253164871. The next prime is 253164937. The reversal of 253164897 is 798461352.

It can be written as a sum of positive squares in 2 ways, for example, as 229340736 + 23824161 = 15144^2 + 4881^2 .

It is not a de Polignac number, because 253164897 - 2¹¹ = 253162849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253164497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69622 + ... + 73167.

It is an arithmetic number, because the mean of its divisors is an integer number (30628455).

Almost surely, 2^253164897 is an apocalyptic number.

It is an amenable number.

253164897 is a deficient number, since it is larger than the sum of its proper divisors (114376563).

253164897 is a wasteful number, since it uses less digits than its factorization.

253164897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142992 (or 142989 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 253164897 is about 15911.1563690387. The cubic root of 253164897 is about 632.6077322259.

The spelling of 253164897 in words is "two hundred fifty-three million, one hundred sixty-four thousand, eight hundred ninety-seven".