380870251 has 4 divisors (see below), whose sum is σ = 381128904. Its totient is φ = 380611600.

The previous prime is 380870213. The next prime is 380870263. The reversal of 380870251 is 152078083.

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 380870251 - 2⁹ = 380869739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380870051) 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, 127105 + ... + 130066.

It is an arithmetic number, because the mean of its divisors is an integer number (95282226).

Almost surely, 2^380870251 is an apocalyptic number.

380870251 is a deficient number, since it is larger than the sum of its proper divisors (258653).

380870251 is a wasteful number, since it uses less digits than its factorization.

380870251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258652.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 380870251 is about 19515.8973916138. The cubic root of 380870251 is about 724.8681494671.

The spelling of 380870251 in words is "three hundred eighty million, eight hundred seventy thousand, two hundred fifty-one".