52660249 has 2 divisors, whose sum is σ = 52660250. Its totient is φ = 52660248.

The previous prime is 52660219. The next prime is 52660253. The reversal of 52660249 is 94206625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32410249 + 20250000 = 5693^2 + 4500^2 .

It is a cyclic number.

It is not a de Polignac number, because 52660249 - 2⁷ = 52660121 is a prime.

It is not a weakly prime, because it can be changed into another prime (52660219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26330124 + 26330125.

It is an arithmetic number, because the mean of its divisors is an integer number (26330125).

Almost surely, 2^52660249 is an apocalyptic number.

It is an amenable number.

52660249 is a deficient number, since it is larger than the sum of its proper divisors (1).

52660249 is an equidigital number, since it uses as much as digits as its factorization.

52660249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 52660249 is about 7256.7381790995. The cubic root of 52660249 is about 374.8242115346.

The spelling of 52660249 in words is "fifty-two million, six hundred sixty thousand, two hundred forty-nine".