252210403987 has 2 divisors, whose sum is σ = 252210403988. Its totient is φ = 252210403986.

The previous prime is 252210403979. The next prime is 252210404051. The reversal of 252210403987 is 789304012252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252210403987 - 2³ = 252210403979 is a prime.

It is a super-2 number, since 2×252210403987² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252210403927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126105201993 + 126105201994.

It is an arithmetic number, because the mean of its divisors is an integer number (126105201994).

Almost surely, 2^252210403987 is an apocalyptic number.

252210403987 is a deficient number, since it is larger than the sum of its proper divisors (1).

252210403987 is an equidigital number, since it uses as much as digits as its factorization.

252210403987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 252210403987 in words is "two hundred fifty-two billion, two hundred ten million, four hundred three thousand, nine hundred eighty-seven".