253140597757 has 2 divisors, whose sum is σ = 253140597758. Its totient is φ = 253140597756.

The previous prime is 253140597739. The next prime is 253140597793. The reversal of 253140597757 is 757795041352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148954314916 + 104186282841 = 385946^2 + 322779^2 .

It is a cyclic number.

It is not a de Polignac number, because 253140597757 - 2⁷ = 253140597629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253140597698 and 253140597707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253140597737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126570298878 + 126570298879.

It is an arithmetic number, because the mean of its divisors is an integer number (126570298879).

Almost surely, 2^253140597757 is an apocalyptic number.

It is an amenable number.

253140597757 is a deficient number, since it is larger than the sum of its proper divisors (1).

253140597757 is an equidigital number, since it uses as much as digits as its factorization.

253140597757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9261000, while the sum is 55.

The spelling of 253140597757 in words is "two hundred fifty-three billion, one hundred forty million, five hundred ninety-seven thousand, seven hundred fifty-seven".