52990361 has 2 divisors, whose sum is σ = 52990362. Its totient is φ = 52990360.

The previous prime is 52990339. The next prime is 52990381. The reversal of 52990361 is 16309925.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39300361 + 13690000 = 6269^2 + 3700^2 .

It is a cyclic number.

It is not a de Polignac number, because 52990361 - 2²² = 48796057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52990381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26495180 + 26495181.

It is an arithmetic number, because the mean of its divisors is an integer number (26495181).

Almost surely, 2^52990361 is an apocalyptic number.

It is an amenable number.

52990361 is a deficient number, since it is larger than the sum of its proper divisors (1).

52990361 is an equidigital number, since it uses as much as digits as its factorization.

52990361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 52990361 is about 7279.4478499403. The cubic root of 52990361 is about 375.6058024450.

The spelling of 52990361 in words is "fifty-two million, nine hundred ninety thousand, three hundred sixty-one".