252377381 has 4 divisors (see below), whose sum is σ = 255932064. Its totient is φ = 248822700.

The previous prime is 252377371. The next prime is 252377383. The reversal of 252377381 is 183773252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252377381 is a prime.

It is a super-2 number, since 2×252377381² = 127388684880838322, which contains 22 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 (252377383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1777235 + ... + 1777376.

It is an arithmetic number, because the mean of its divisors is an integer number (63983016).

Almost surely, 2^252377381 is an apocalyptic number.

It is an amenable number.

252377381 is a deficient number, since it is larger than the sum of its proper divisors (3554683).

252377381 is an equidigital number, since it uses as much as digits as its factorization.

252377381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554682.

The product of its digits is 70560, while the sum is 38.

The square root of 252377381 is about 15886.3898038541. The cubic root of 252377381 is about 631.9511033113.

The spelling of 252377381 in words is "two hundred fifty-two million, three hundred seventy-seven thousand, three hundred eighty-one".