2656045 has 24 divisors (see below), whose sum is σ = 3820824. Its totient is φ = 1766016.

The previous prime is 2656033. The next prime is 2656051. The reversal of 2656045 is 5406562.

It can be written as a sum of positive squares in 4 ways, for example, as 1432809 + 1223236 = 1197^2 + 1106^2 .

It is not a de Polignac number, because 2656045 - 2⁵ = 2656013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8919 + ... + 9211.

It is an arithmetic number, because the mean of its divisors is an integer number (159201).

2^2656045 is an apocalyptic number.

It is an amenable number.

2656045 is a deficient number, since it is larger than the sum of its proper divisors (1164779).

2656045 is a wasteful number, since it uses less digits than its factorization.

2656045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2656045 is about 1629.7377089581. The cubic root of 2656045 is about 138.4878935666.

The spelling of 2656045 in words is "two million, six hundred fifty-six thousand, forty-five".