52299397 has 2 divisors, whose sum is σ = 52299398. Its totient is φ = 52299396.

The previous prime is 52299349. The next prime is 52299409. The reversal of 52299397 is 79399225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47141956 + 5157441 = 6866^2 + 2271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52299397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52299197) 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, 26149698 + 26149699.

It is an arithmetic number, because the mean of its divisors is an integer number (26149699).

Almost surely, 2^52299397 is an apocalyptic number.

It is an amenable number.

52299397 is a deficient number, since it is larger than the sum of its proper divisors (1).

52299397 is an equidigital number, since it uses as much as digits as its factorization.

52299397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 46.

The square root of 52299397 is about 7231.8322021463. The cubic root of 52299397 is about 373.9660930874.

The spelling of 52299397 in words is "fifty-two million, two hundred ninety-nine thousand, three hundred ninety-seven".