52498813 has 2 divisors, whose sum is σ = 52498814. Its totient is φ = 52498812.

The previous prime is 52498807. The next prime is 52498837. The reversal of 52498813 is 31889425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34833604 + 17665209 = 5902^2 + 4203^2 .

It is a cyclic number.

It is not a de Polignac number, because 52498813 - 2⁵ = 52498781 is a prime.

It is a super-2 number, since 2×52498813² = 5512250732817938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52490813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26249406 + 26249407.

It is an arithmetic number, because the mean of its divisors is an integer number (26249407).

Almost surely, 2^52498813 is an apocalyptic number.

It is an amenable number.

52498813 is a deficient number, since it is larger than the sum of its proper divisors (1).

52498813 is an equidigital number, since it uses as much as digits as its factorization.

52498813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The square root of 52498813 is about 7245.6064618498. The cubic root of 52498813 is about 374.4407973423.

The spelling of 52498813 in words is "fifty-two million, four hundred ninety-eight thousand, eight hundred thirteen".