52208287 has 2 divisors, whose sum is σ = 52208288. Its totient is φ = 52208286.

The previous prime is 52208281. The next prime is 52208291. The reversal of 52208287 is 78280225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52208287 - 2⁷ = 52208159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52208281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26104143 + 26104144.

It is an arithmetic number, because the mean of its divisors is an integer number (26104144).

Almost surely, 2^52208287 is an apocalyptic number.

52208287 is a deficient number, since it is larger than the sum of its proper divisors (1).

52208287 is an equidigital number, since it uses as much as digits as its factorization.

52208287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 52208287 is about 7225.5302227587. The cubic root of 52208287 is about 373.7488066091.

The spelling of 52208287 in words is "fifty-two million, two hundred eight thousand, two hundred eighty-seven".