52256287 has 2 divisors, whose sum is σ = 52256288. Its totient is φ = 52256286.

The previous prime is 52256279. The next prime is 52256291. The reversal of 52256287 is 78265225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52256287 - 2³ = 52256279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52256387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26128143 + 26128144.

It is an arithmetic number, because the mean of its divisors is an integer number (26128144).

Almost surely, 2^52256287 is an apocalyptic number.

52256287 is a deficient number, since it is larger than the sum of its proper divisors (1).

52256287 is an equidigital number, since it uses as much as digits as its factorization.

52256287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 37.

The square root of 52256287 is about 7228.8510152029. The cubic root of 52256287 is about 373.8633123616.

The spelling of 52256287 in words is "fifty-two million, two hundred fifty-six thousand, two hundred eighty-seven".