253929271 has 2 divisors, whose sum is σ = 253929272. Its totient is φ = 253929270.

The previous prime is 253929241. The next prime is 253929283. The reversal of 253929271 is 172929352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253929271 - 2⁵ = 253929239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253929241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126964635 + 126964636.

It is an arithmetic number, because the mean of its divisors is an integer number (126964636).

Almost surely, 2^253929271 is an apocalyptic number.

253929271 is a deficient number, since it is larger than the sum of its proper divisors (1).

253929271 is an equidigital number, since it uses as much as digits as its factorization.

253929271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 40.

The square root of 253929271 is about 15935.1583299320. The cubic root of 253929271 is about 633.2437644032.

The spelling of 253929271 in words is "two hundred fifty-three million, nine hundred twenty-nine thousand, two hundred seventy-one".