45257526563 has 2 divisors, whose sum is σ = 45257526564. Its totient is φ = 45257526562.

The previous prime is 45257526499. The next prime is 45257526571. The reversal of 45257526563 is 36562575254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45257526563 - 2⁶ = 45257526499 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (45257526593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22628763281 + 22628763282.

It is an arithmetic number, because the mean of its divisors is an integer number (22628763282).

Almost surely, 2^45257526563 is an apocalyptic number.

45257526563 is a deficient number, since it is larger than the sum of its proper divisors (1).

45257526563 is an equidigital number, since it uses as much as digits as its factorization.

45257526563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560000, while the sum is 50.

The spelling of 45257526563 in words is "forty-five billion, two hundred fifty-seven million, five hundred twenty-six thousand, five hundred sixty-three".