490395025 has 6 divisors (see below), whose sum is σ = 608089862. Its totient is φ = 392316000.

The previous prime is 490395011. The next prime is 490395041. The reversal of 490395025 is 520593094.

It can be written as a sum of positive squares in 3 ways, for example, as 10916416 + 479478609 = 3304^2 + 21897^2 .

It is not a de Polignac number, because 490395025 - 2²³ = 482006417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9807876 + ... + 9807925.

Almost surely, 2^490395025 is an apocalyptic number.

It is an amenable number.

490395025 is a deficient number, since it is larger than the sum of its proper divisors (117694837).

490395025 is a wasteful number, since it uses less digits than its factorization.

490395025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19615811 (or 19615806 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 490395025 is about 22144.8645288247. The cubic root of 490395025 is about 788.5853146762.

The spelling of 490395025 in words is "four hundred ninety million, three hundred ninety-five thousand, twenty-five".