2612381 has 4 divisors (see below), whose sum is σ = 2628192. Its totient is φ = 2596572.

The previous prime is 2612377. The next prime is 2612383. The reversal of 2612381 is 1832162.

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 2612381 - 2² = 2612377 is a prime.

It is a super-2 number, since 2×2612381² = 13649068978322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2612383) 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, 7655 + ... + 7988.

It is an arithmetic number, because the mean of its divisors is an integer number (657048).

2^2612381 is an apocalyptic number.

It is an amenable number.

2612381 is a deficient number, since it is larger than the sum of its proper divisors (15811).

2612381 is a wasteful number, since it uses less digits than its factorization.

2612381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15810.

The product of its digits is 576, while the sum is 23.

The square root of 2612381 is about 1616.2861751559. The cubic root of 2612381 is about 137.7248069052.

The spelling of 2612381 in words is "two million, six hundred twelve thousand, three hundred eighty-one".