253077507563 has 2 divisors, whose sum is σ = 253077507564. Its totient is φ = 253077507562.

The previous prime is 253077507511. The next prime is 253077507581. The reversal of 253077507563 is 365705770352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253077507563 - 2⁸ = 253077507307 is a prime.

It is not a weakly prime, because it can be changed into another prime (253077500563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126538753781 + 126538753782.

It is an arithmetic number, because the mean of its divisors is an integer number (126538753782).

Almost surely, 2^253077507563 is an apocalyptic number.

253077507563 is a deficient number, since it is larger than the sum of its proper divisors (1).

253077507563 is an equidigital number, since it uses as much as digits as its factorization.

253077507563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4630500, while the sum is 50.

The spelling of 253077507563 in words is "two hundred fifty-three billion, seventy-seven million, five hundred seven thousand, five hundred sixty-three".