253501525163 has 2 divisors, whose sum is σ = 253501525164. Its totient is φ = 253501525162.

The previous prime is 253501525117. The next prime is 253501525181. The reversal of 253501525163 is 361525105352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253501525163 - 2⁸ = 253501524907 is a prime.

It is not a weakly prime, because it can be changed into another prime (253501525183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126750762581 + 126750762582.

It is an arithmetic number, because the mean of its divisors is an integer number (126750762582).

Almost surely, 2^253501525163 is an apocalyptic number.

253501525163 is a deficient number, since it is larger than the sum of its proper divisors (1).

253501525163 is an equidigital number, since it uses as much as digits as its factorization.

253501525163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 253501525163 in words is "two hundred fifty-three billion, five hundred one million, five hundred twenty-five thousand, one hundred sixty-three".