252381863 has 8 divisors (see below), whose sum is σ = 255474432. Its totient is φ = 249303096.

The previous prime is 252381851. The next prime is 252381889. The reversal of 252381863 is 368183252.

252381863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 252381863 - 2⁶ = 252381799 is a prime.

It is a super-3 number, since 3×252381863³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252381823) 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, 36056 + ... + 42482.

It is an arithmetic number, because the mean of its divisors is an integer number (31934304).

Almost surely, 2^252381863 is an apocalyptic number.

252381863 is a deficient number, since it is larger than the sum of its proper divisors (3092569).

252381863 is a wasteful number, since it uses less digits than its factorization.

252381863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6901.

The product of its digits is 69120, while the sum is 38.

The square root of 252381863 is about 15886.5308673732. The cubic root of 252381863 is about 631.9548442541.

The spelling of 252381863 in words is "two hundred fifty-two million, three hundred eighty-one thousand, eight hundred sixty-three".