252421384036187 has 8 divisors (see below), whose sum is σ = 267524001144432. Its totient is φ = 237347022528000.

The previous prime is 252421384036123. The next prime is 252421384036303. The reversal of 252421384036187 is 781630483124252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252421384036187 - 2⁶ = 252421384036123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252421384036487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7063881614 + ... + 7063917347.

It is an arithmetic number, because the mean of its divisors is an integer number (33440500143054).

Almost surely, 2^{252421384036187} is an apocalyptic number.

252421384036187 is a deficient number, since it is larger than the sum of its proper divisors (15102617108245).

252421384036187 is a wasteful number, since it uses less digits than its factorization.

252421384036187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14127800029.

The product of its (nonzero) digits is 15482880, while the sum is 56.

The spelling of 252421384036187 in words is "two hundred fifty-two trillion, four hundred twenty-one billion, three hundred eighty-four million, thirty-six thousand, one hundred eighty-seven".