2500041381 has 4 divisors (see below), whose sum is σ = 3333388512. Its totient is φ = 1666694252.

The previous prime is 2500041361. The next prime is 2500041389. The reversal of 2500041381 is 1831400052.

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 not a de Polignac number, because 2500041381 - 2⁷ = 2500041253 is a prime.

It is a super-2 number, since 2×2500041381² = 12500413813424774322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500041389) 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, 416673561 + ... + 416673566.

It is an arithmetic number, because the mean of its divisors is an integer number (833347128).

Almost surely, 2^2500041381 is an apocalyptic number.

It is an amenable number.

2500041381 is a deficient number, since it is larger than the sum of its proper divisors (833347131).

2500041381 is an equidigital number, since it uses as much as digits as its factorization.

2500041381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833347130.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2500041381 is about 50000.4138082876. The cubic root of 2500041381 is about 1357.2162966105.

The spelling of 2500041381 in words is "two billion, five hundred million, forty-one thousand, three hundred eighty-one".