381371625 has 128 divisors (see below), whose sum is σ = 781747200. Its totient is φ = 183110400.

The previous prime is 381371621. The next prime is 381371651. The reversal of 381371625 is 526173183.

It is not a de Polignac number, because 381371625 - 2² = 381371621 is a prime.

Its product of digits (30240) is a multiple of the sum of its prime divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 381371625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381371621) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16581364 + ... + 16581386.

It is an arithmetic number, because the mean of its divisors is an integer number (6107400).

Almost surely, 2^381371625 is an apocalyptic number.

It is an amenable number.

381371625 is an abundant number, since it is smaller than the sum of its proper divisors (400375575).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381371625 is an equidigital number, since it uses as much as digits as its factorization.

381371625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 48 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 381371625 is about 19528.7384385167. The cubic root of 381371625 is about 725.1860798621.

The spelling of 381371625 in words is "three hundred eighty-one million, three hundred seventy-one thousand, six hundred twenty-five".