500025613 has 2 divisors, whose sum is σ = 500025614. Its totient is φ = 500025612.

The previous prime is 500025599. The next prime is 500025637. The reversal of 500025613 is 316520005.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 268894404 + 231131209 = 16398^2 + 15203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500025613 is a prime.

It is a super-2 number, since 2×500025613² = 500051227312051538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500025683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250012806 + 250012807.

It is an arithmetic number, because the mean of its divisors is an integer number (250012807).

Almost surely, 2^500025613 is an apocalyptic number.

It is an amenable number.

500025613 is a deficient number, since it is larger than the sum of its proper divisors (1).

500025613 is an equidigital number, since it uses as much as digits as its factorization.

500025613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 500025613 is about 22361.2524917546. The cubic root of 500025613 is about 793.7140784537.

Adding to 500025613 its reverse (316520005), we get a palindrome (816545618).

The spelling of 500025613 in words is "five hundred million, twenty-five thousand, six hundred thirteen".