253355515435133 has 2 divisors, whose sum is σ = 253355515435134. Its totient is φ = 253355515435132.

The previous prime is 253355515435081. The next prime is 253355515435177. The reversal of 253355515435133 is 331534515553352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219723611747929 + 33631903687204 = 14823077^2 + 5799302^2 .

It is a cyclic number.

It is not a de Polignac number, because 253355515435133 - 2¹⁶ = 253355515369597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253355515438133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126677757717566 + 126677757717567.

It is an arithmetic number, because the mean of its divisors is an integer number (126677757717567).

Almost surely, 2^{253355515435133} is an apocalyptic number.

It is an amenable number.

253355515435133 is a deficient number, since it is larger than the sum of its proper divisors (1).

253355515435133 is an equidigital number, since it uses as much as digits as its factorization.

253355515435133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30375000, while the sum is 53.

The spelling of 253355515435133 in words is "two hundred fifty-three trillion, three hundred fifty-five billion, five hundred fifteen million, four hundred thirty-five thousand, one hundred thirty-three".