52020413 has 2 divisors, whose sum is σ = 52020414. Its totient is φ = 52020412.

The previous prime is 52020383. The next prime is 52020439. The reversal of 52020413 is 31402025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43388569 + 8631844 = 6587^2 + 2938^2 .

It is a cyclic number.

It is not a de Polignac number, because 52020413 - 2¹⁰ = 52019389 is a prime.

It is a super-2 number, since 2×52020413² = 5412246737381138, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52020391 and 52020400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52020013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26010206 + 26010207.

It is an arithmetic number, because the mean of its divisors is an integer number (26010207).

Almost surely, 2^52020413 is an apocalyptic number.

It is an amenable number.

52020413 is a deficient number, since it is larger than the sum of its proper divisors (1).

52020413 is an equidigital number, since it uses as much as digits as its factorization.

52020413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 52020413 is about 7212.5177989382. The cubic root of 52020413 is about 373.2999501577.

Adding to 52020413 its reverse (31402025), we get a palindrome (83422438).

The spelling of 52020413 in words is "fifty-two million, twenty thousand, four hundred thirteen".