381252895 has 4 divisors (see below), whose sum is σ = 457503480. Its totient is φ = 305002312.

The previous prime is 381252887. The next prime is 381252901. The reversal of 381252895 is 598252183.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 381252895 - 2³ = 381252887 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38125285 + ... + 38125294.

It is an arithmetic number, because the mean of its divisors is an integer number (114375870).

Almost surely, 2^381252895 is an apocalyptic number.

381252895 is a deficient number, since it is larger than the sum of its proper divisors (76250585).

381252895 is an equidigital number, since it uses as much as digits as its factorization.

381252895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76250584.

The product of its digits is 172800, while the sum is 43.

The square root of 381252895 is about 19525.6983229794. The cubic root of 381252895 is about 725.1108161960.

The spelling of 381252895 in words is "three hundred eighty-one million, two hundred fifty-two thousand, eight hundred ninety-five".