2650491 has 6 divisors (see below), whose sum is σ = 3828500. Its totient is φ = 1766988.

The previous prime is 2650463. The next prime is 2650493. The reversal of 2650491 is 1940562.

2650491 is a `hidden beast` number, since 2 + 650 + 4 + 9 + 1 = 666.

It is not a de Polignac number, because 2650491 - 2⁹ = 2649979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2650493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147241 + ... + 147258.

2^2650491 is an apocalyptic number.

2650491 is a deficient number, since it is larger than the sum of its proper divisors (1178009).

2650491 is a wasteful number, since it uses less digits than its factorization.

2650491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294505 (or 294502 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2650491 is about 1628.0328620762. The cubic root of 2650491 is about 138.3912964946.

The spelling of 2650491 in words is "two million, six hundred fifty thousand, four hundred ninety-one".