8457385501 has 2 divisors, whose sum is σ = 8457385502. Its totient is φ = 8457385500.

The previous prime is 8457385481. The next prime is 8457385579. The reversal of 8457385501 is 1055837548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8450389476 + 6996025 = 91926^2 + 2645^2 .

It is a cyclic number.

It is not a de Polignac number, because 8457385501 - 2⁹ = 8457384989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8457385201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4228692750 + 4228692751.

It is an arithmetic number, because the mean of its divisors is an integer number (4228692751).

Almost surely, 2^8457385501 is an apocalyptic number.

It is an amenable number.

8457385501 is a deficient number, since it is larger than the sum of its proper divisors (1).

8457385501 is an equidigital number, since it uses as much as digits as its factorization.

8457385501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672000, while the sum is 46.

The square root of 8457385501 is about 91964.0446098365. The cubic root of 8457385501 is about 2037.4112925912.

The spelling of 8457385501 in words is "eight billion, four hundred fifty-seven million, three hundred eighty-five thousand, five hundred one".