253501110461 has 2 divisors, whose sum is σ = 253501110462. Its totient is φ = 253501110460.

The previous prime is 253501110427. The next prime is 253501110479. The reversal of 253501110461 is 164011105352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204852191236 + 48648919225 = 452606^2 + 220565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253501110461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253501110481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126750555230 + 126750555231.

It is an arithmetic number, because the mean of its divisors is an integer number (126750555231).

Almost surely, 2^253501110461 is an apocalyptic number.

It is an amenable number.

253501110461 is a deficient number, since it is larger than the sum of its proper divisors (1).

253501110461 is an equidigital number, since it uses as much as digits as its factorization.

253501110461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 253501110461 in words is "two hundred fifty-three billion, five hundred one million, one hundred ten thousand, four hundred sixty-one".