52251808387 has 2 divisors, whose sum is σ = 52251808388. Its totient is φ = 52251808386.

The previous prime is 52251808361. The next prime is 52251808397. The reversal of 52251808387 is 78380815225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52251808387 - 2²³ = 52243419779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52251808387.

It is not a weakly prime, because it can be changed into another prime (52251808397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26125904193 + 26125904194.

It is an arithmetic number, because the mean of its divisors is an integer number (26125904194).

Almost surely, 2^52251808387 is an apocalyptic number.

52251808387 is a deficient number, since it is larger than the sum of its proper divisors (1).

52251808387 is an equidigital number, since it uses as much as digits as its factorization.

52251808387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1075200, while the sum is 49.

The spelling of 52251808387 in words is "fifty-two billion, two hundred fifty-one million, eight hundred eight thousand, three hundred eighty-seven".