2381025381 has 32 divisors (see below), whose sum is σ = 3667614720. Its totient is φ = 1345890816.

The previous prime is 2381025377. The next prime is 2381025397. The reversal of 2381025381 is 1835201832.

2381025381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2381025381 - 2² = 2381025377 is a prime.

It is a super-2 number, since 2×2381025381² = 11338563729932390322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381025281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 894805 + ... + 897461.

It is an arithmetic number, because the mean of its divisors is an integer number (114612960).

Almost surely, 2^2381025381 is an apocalyptic number.

2381025381 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2381025381 is a deficient number, since it is larger than the sum of its proper divisors (1286589339).

2381025381 is a wasteful number, since it uses less digits than its factorization.

2381025381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 2381025381 is about 48795.7516695870. The cubic root of 2381025381 is about 1335.3281618324.

The spelling of 2381025381 in words is "two billion, three hundred eighty-one million, twenty-five thousand, three hundred eighty-one".