457052689 has 4 divisors (see below), whose sum is σ = 460079680. Its totient is φ = 454025700.

The previous prime is 457052639. The next prime is 457052723. The reversal of 457052689 is 986250754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 986250754 = 2 ⋅493125377.

It is a cyclic number.

It is not a de Polignac number, because 457052689 - 2⁹ = 457052177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457052639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1513269 + ... + 1513570.

It is an arithmetic number, because the mean of its divisors is an integer number (115019920).

Almost surely, 2^457052689 is an apocalyptic number.

It is an amenable number.

457052689 is a deficient number, since it is larger than the sum of its proper divisors (3026991).

457052689 is a wasteful number, since it uses less digits than its factorization.

457052689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026990.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 457052689 is about 21378.7906346454. The cubic root of 457052689 is about 770.2920627035.

The spelling of 457052689 in words is "four hundred fifty-seven million, fifty-two thousand, six hundred eighty-nine".