253457622653 has 2 divisors, whose sum is σ = 253457622654. Its totient is φ = 253457622652.

The previous prime is 253457622647. The next prime is 253457622679. The reversal of 253457622653 is 356226754352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240376439524 + 13081183129 = 490282^2 + 114373^2 .

It is a cyclic number.

It is not a de Polignac number, because 253457622653 - 2⁴ = 253457622637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253459622653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126728811326 + 126728811327.

It is an arithmetic number, because the mean of its divisors is an integer number (126728811327).

Almost surely, 2^253457622653 is an apocalyptic number.

It is an amenable number.

253457622653 is a deficient number, since it is larger than the sum of its proper divisors (1).

253457622653 is an equidigital number, since it uses as much as digits as its factorization.

253457622653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072000, while the sum is 50.

The spelling of 253457622653 in words is "two hundred fifty-three billion, four hundred fifty-seven million, six hundred twenty-two thousand, six hundred fifty-three".