490513 has 4 divisors (see below), whose sum is σ = 506368. Its totient is φ = 474660.

The previous prime is 490499. The next prime is 490519. The reversal of 490513 is 315094.

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 490513 - 2⁵ = 490481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490519) 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, 7881 + ... + 7942.

It is an arithmetic number, because the mean of its divisors is an integer number (126592).

2⁴⁹⁰⁵¹³ is an apocalyptic number.

It is an amenable number.

490513 is a deficient number, since it is larger than the sum of its proper divisors (15855).

490513 is a wasteful number, since it uses less digits than its factorization.

490513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15854.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 490513 is about 700.3663327145. The cubic root of 490513 is about 78.8648546621.

It can be divided in two parts, 49051 and 3, that multiplied together give a triangular number (147153 = T₅₄₂).

The spelling of 490513 in words is "four hundred ninety thousand, five hundred thirteen".