253124171 has 2 divisors, whose sum is σ = 253124172. Its totient is φ = 253124170.

The previous prime is 253124153. The next prime is 253124227. The reversal of 253124171 is 171421352.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253124171 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253124171.

It is not a weakly prime, because it can be changed into another prime (253124371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126562085 + 126562086.

It is an arithmetic number, because the mean of its divisors is an integer number (126562086).

Almost surely, 2^253124171 is an apocalyptic number.

253124171 is a deficient number, since it is larger than the sum of its proper divisors (1).

253124171 is an equidigital number, since it uses as much as digits as its factorization.

253124171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 26.

The square root of 253124171 is about 15909.8765237195. The cubic root of 253124171 is about 632.5738084020.

The spelling of 253124171 in words is "two hundred fifty-three million, one hundred twenty-four thousand, one hundred seventy-one".