459520857 has 10 divisors (see below), whose sum is σ = 686444858. Its totient is φ = 306347184.

The previous prime is 459520807. The next prime is 459520877. The reversal of 459520857 is 758025954.

459520857 is a `hidden beast` number, since 4 + 595 + 2 + 0 + 8 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 458430921 + 1089936 = 21411^2 + 1044^2 .

It is not a de Polignac number, because 459520857 - 2⁶ = 459520793 is a prime.

It is a super-2 number, since 2×459520857² = 422318836036028898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (459520807) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2836468 + ... + 2836629.

Almost surely, 2^459520857 is an apocalyptic number.

It is an amenable number.

459520857 is a deficient number, since it is larger than the sum of its proper divisors (226924001).

459520857 is an equidigital number, since it uses as much as digits as its factorization.

459520857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5673109 (or 5673100 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The square root of 459520857 is about 21436.4376004970. The cubic root of 459520857 is about 771.6761468596.

It can be divided in two parts, 4595 and 20857, that added together give a palindrome (25452).

The spelling of 459520857 in words is "four hundred fifty-nine million, five hundred twenty thousand, eight hundred fifty-seven".