253307537671 has 2 divisors, whose sum is σ = 253307537672. Its totient is φ = 253307537670.

The previous prime is 253307537657. The next prime is 253307537677. The reversal of 253307537671 is 176735703352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253307537671 - 2²⁵ = 253273983239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253307537677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126653768835 + 126653768836.

It is an arithmetic number, because the mean of its divisors is an integer number (126653768836).

Almost surely, 2^253307537671 is an apocalyptic number.

253307537671 is a deficient number, since it is larger than the sum of its proper divisors (1).

253307537671 is an equidigital number, since it uses as much as digits as its factorization.

253307537671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2778300, while the sum is 49.

The spelling of 253307537671 in words is "two hundred fifty-three billion, three hundred seven million, five hundred thirty-seven thousand, six hundred seventy-one".