253273135519 has 2 divisors, whose sum is σ = 253273135520. Its totient is φ = 253273135518.

The previous prime is 253273135487. The next prime is 253273135651. The reversal of 253273135519 is 915531372352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253273135519 - 2⁵ = 253273135487 is a prime.

It is a super-2 number, since 2×253273135519² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253274135519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126636567759 + 126636567760.

It is an arithmetic number, because the mean of its divisors is an integer number (126636567760).

Almost surely, 2^253273135519 is an apocalyptic number.

253273135519 is a deficient number, since it is larger than the sum of its proper divisors (1).

253273135519 is an equidigital number, since it uses as much as digits as its factorization.

253273135519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 850500, while the sum is 46.

The spelling of 253273135519 in words is "two hundred fifty-three billion, two hundred seventy-three million, one hundred thirty-five thousand, five hundred nineteen".