52207361 has 2 divisors, whose sum is σ = 52207362. Its totient is φ = 52207360.

The previous prime is 52207349. The next prime is 52207381. The reversal of 52207361 is 16370225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52128400 + 78961 = 7220^2 + 281^2 .

It is a cyclic number.

It is not a de Polignac number, because 52207361 - 2⁶ = 52207297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52207361.

It is not a weakly prime, because it can be changed into another prime (52207381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26103680 + 26103681.

It is an arithmetic number, because the mean of its divisors is an integer number (26103681).

Almost surely, 2^52207361 is an apocalyptic number.

It is an amenable number.

52207361 is a deficient number, since it is larger than the sum of its proper divisors (1).

52207361 is an equidigital number, since it uses as much as digits as its factorization.

52207361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 52207361 is about 7225.4661441322. The cubic root of 52207361 is about 373.7465969124.

Adding to 52207361 its reverse (16370225), we get a palindrome (68577586).

The spelling of 52207361 in words is "fifty-two million, two hundred seven thousand, three hundred sixty-one".