52800247 has 2 divisors, whose sum is σ = 52800248. Its totient is φ = 52800246.

The previous prime is 52800233. The next prime is 52800257. The reversal of 52800247 is 74200825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52800247 - 2²³ = 44411639 is a prime.

It is a super-2 number, since 2×52800247² = 5575732166522018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52800257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26400123 + 26400124.

It is an arithmetic number, because the mean of its divisors is an integer number (26400124).

Almost surely, 2^52800247 is an apocalyptic number.

52800247 is a deficient number, since it is larger than the sum of its proper divisors (1).

52800247 is an equidigital number, since it uses as much as digits as its factorization.

52800247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 52800247 is about 7266.3778459422. The cubic root of 52800247 is about 375.1560760687.

The spelling of 52800247 in words is "fifty-two million, eight hundred thousand, two hundred forty-seven".