490913 has 2 divisors, whose sum is σ = 490914. Its totient is φ = 490912.

The previous prime is 490891. The next prime is 490921. The reversal of 490913 is 319094.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 380689 + 110224 = 617^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 490913 - 2⁶ = 490849 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (490993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245456 + 245457.

It is an arithmetic number, because the mean of its divisors is an integer number (245457).

2⁴⁹⁰⁹¹³ is an apocalyptic number.

It is an amenable number.

490913 is a deficient number, since it is larger than the sum of its proper divisors (1).

490913 is an equidigital number, since it uses as much as digits as its factorization.

490913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 490913 is about 700.6518393610. The cubic root of 490913 is about 78.8862862183.

It can be divided in two parts, 49091 and 3, that added together give a palindrome (49094).

The spelling of 490913 in words is "four hundred ninety thousand, nine hundred thirteen".