457522789 has 4 divisors (see below), whose sum is σ = 458287200. Its totient is φ = 456758380.

The previous prime is 457522787. The next prime is 457522799. The reversal of 457522789 is 987225754.

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: 987225754 = 2 ⋅493612877.

It is a cyclic number.

It is not a de Polignac number, because 457522789 - 2¹ = 457522787 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457522781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381307 + ... + 382504.

It is an arithmetic number, because the mean of its divisors is an integer number (114571800).

Almost surely, 2^457522789 is an apocalyptic number.

It is an amenable number.

457522789 is a deficient number, since it is larger than the sum of its proper divisors (764411).

457522789 is an equidigital number, since it uses as much as digits as its factorization.

457522789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764410.

The product of its digits is 1411200, while the sum is 49.

The square root of 457522789 is about 21389.7823504588. The cubic root of 457522789 is about 770.5560659776.

The spelling of 457522789 in words is "four hundred fifty-seven million, five hundred twenty-two thousand, seven hundred eighty-nine".