2612981 has 8 divisors (see below), whose sum is σ = 3056064. Its totient is φ = 2187360.

The previous prime is 2612969. The next prime is 2612983. The reversal of 2612981 is 1892162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2612981 - 2¹⁸ = 2350837 is a prime.

It is a super-2 number, since 2×2612981² = 13655339412722, 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 (2612983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4040 + ... + 4641.

It is an arithmetic number, because the mean of its divisors is an integer number (382008).

2^2612981 is an apocalyptic number.

It is an amenable number.

2612981 is a deficient number, since it is larger than the sum of its proper divisors (443083).

2612981 is an equidigital number, since it uses as much as digits as its factorization.

2612981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8731.

The product of its digits is 1728, while the sum is 29.

The square root of 2612981 is about 1616.4717751944. The cubic root of 2612981 is about 137.7353501042.

The spelling of 2612981 in words is "two million, six hundred twelve thousand, nine hundred eighty-one".