490925 has 12 divisors (see below), whose sum is σ = 619380. Its totient is φ = 385920.

The previous prime is 490921. The next prime is 490927. The reversal of 490925 is 529094.

It can be written as a sum of positive squares in 6 ways, for example, as 64516 + 426409 = 254^2 + 653^2 .

It is not a de Polignac number, because 490925 - 2² = 490921 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 490925.

It is not an unprimeable number, because it can be changed into a prime (490921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1691 + ... + 1959.

It is an arithmetic number, because the mean of its divisors is an integer number (51615).

2⁴⁹⁰⁹²⁵ is an apocalyptic number.

It is an amenable number.

490925 is a deficient number, since it is larger than the sum of its proper divisors (128455).

490925 is a wasteful number, since it uses less digits than its factorization.

490925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 490925 is about 700.6604027630. The cubic root of 490925 is about 78.8869289851.

The spelling of 490925 in words is "four hundred ninety thousand, nine hundred twenty-five".