2654981 has 4 divisors (see below), whose sum is σ = 3034272. Its totient is φ = 2275692.

The previous prime is 2654963. The next prime is 2654989. The reversal of 2654981 is 1894562.

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 2654981 - 2⁶ = 2654917 is a prime.

It is a super-2 number, since 2×2654981² = 14097848220722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2654989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189635 + ... + 189648.

It is an arithmetic number, because the mean of its divisors is an integer number (758568).

2^2654981 is an apocalyptic number.

It is an amenable number.

2654981 is a deficient number, since it is larger than the sum of its proper divisors (379291).

2654981 is an equidigital number, since it uses as much as digits as its factorization.

2654981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379290.

The product of its digits is 17280, while the sum is 35.

The square root of 2654981 is about 1629.4112433637. The cubic root of 2654981 is about 138.4693985487.

The spelling of 2654981 in words is "two million, six hundred fifty-four thousand, nine hundred eighty-one".