253450322555431 has 2 divisors, whose sum is σ = 253450322555432. Its totient is φ = 253450322555430.

The previous prime is 253450322555393. The next prime is 253450322555449. The reversal of 253450322555431 is 134555223054352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253450322555431 - 2¹⁷ = 253450322424359 is a prime.

It is a super-2 number, since 2×253450322555431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253450322555491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126725161277715 + 126725161277716.

It is an arithmetic number, because the mean of its divisors is an integer number (126725161277716).

Almost surely, 2^{253450322555431} is an apocalyptic number.

253450322555431 is a deficient number, since it is larger than the sum of its proper divisors (1).

253450322555431 is an equidigital number, since it uses as much as digits as its factorization.

253450322555431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800000, while the sum is 49.

The spelling of 253450322555431 in words is "two hundred fifty-three trillion, four hundred fifty billion, three hundred twenty-two million, five hundred fifty-five thousand, four hundred thirty-one".