490573 has 2 divisors, whose sum is σ = 490574. Its totient is φ = 490572.

The previous prime is 490571. The next prime is 490577. The reversal of 490573 is 375094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272484 + 218089 = 522^2 + 467^2 .

It is a cyclic number.

It is not a de Polignac number, because 490573 - 2¹ = 490571 is a prime.

Together with 490571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245286 + 245287.

It is an arithmetic number, because the mean of its divisors is an integer number (245287).

2⁴⁹⁰⁵⁷³ is an apocalyptic number.

It is an amenable number.

490573 is a deficient number, since it is larger than the sum of its proper divisors (1).

490573 is an equidigital number, since it uses as much as digits as its factorization.

490573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 490573 is about 700.4091661308. The cubic root of 490573 is about 78.8680701381.

Subtracting from 490573 its sum of digits (28), we obtain a triangular number (490545 = T₉₉₀).

The spelling of 490573 in words is "four hundred ninety thousand, five hundred seventy-three".