2052981 has 12 divisors (see below), whose sum is σ = 3389152. Its totient is φ = 1173096.

The previous prime is 2052977. The next prime is 2052983. The reversal of 2052981 is 1892502.

It is not a de Polignac number, because 2052981 - 2² = 2052977 is a prime.

It is a super-2 number, since 2×2052981² = 8429461972722, 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 (2052983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16231 + ... + 16356.

2^2052981 is an apocalyptic number.

2052981 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2052981 is a deficient number, since it is larger than the sum of its proper divisors (1336171).

2052981 is a wasteful number, since it uses less digits than its factorization.

2052981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32600 (or 32597 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2052981 is about 1432.8227385130. The cubic root of 2052981 is about 127.0949545107.

The spelling of 2052981 in words is "two million, fifty-two thousand, nine hundred eighty-one".