490453057 has 4 divisors (see below), whose sum is σ = 490829616. Its totient is φ = 490076500.

The previous prime is 490453031. The next prime is 490453079. The reversal of 490453057 is 750354094.

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.

It is a cyclic number.

It is not a de Polignac number, because 490453057 - 2⁷ = 490452929 is a prime.

It is a super-2 number, since 2×490453057² = 481088402241290498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490403057) 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, 186319 + ... + 188932.

It is an arithmetic number, because the mean of its divisors is an integer number (122707404).

Almost surely, 2^490453057 is an apocalyptic number.

It is an amenable number.

490453057 is a deficient number, since it is larger than the sum of its proper divisors (376559).

490453057 is a wasteful number, since it uses less digits than its factorization.

490453057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376558.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 490453057 is about 22146.1747712782. The cubic root of 490453057 is about 788.6164197892.

The spelling of 490453057 in words is "four hundred ninety million, four hundred fifty-three thousand, fifty-seven".