253164747 has 16 divisors (see below), whose sum is σ = 369067392. Its totient is φ = 153088320.

The previous prime is 253164739. The next prime is 253164781. The reversal of 253164747 is 747461352.

It is not a de Polignac number, because 253164747 - 2³ = 253164739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253164727) 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, 6688 + ... + 23474.

It is an arithmetic number, because the mean of its divisors is an integer number (23066712).

Almost surely, 2^253164747 is an apocalyptic number.

253164747 is a deficient number, since it is larger than the sum of its proper divisors (115902645).

253164747 is a wasteful number, since it uses less digits than its factorization.

253164747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17258.

The product of its digits is 141120, while the sum is 39.

The square root of 253164747 is about 15911.1516553642. The cubic root of 253164747 is about 632.6076072860.

The spelling of 253164747 in words is "two hundred fifty-three million, one hundred sixty-four thousand, seven hundred forty-seven".