2609451 has 12 divisors (see below), whose sum is σ = 4059328. Its totient is φ = 1605744.

The previous prime is 2609443. The next prime is 2609471. The reversal of 2609451 is 1549062.

2609451 is a `hidden beast` number, since 2 + 609 + 4 + 51 = 666.

It is not a de Polignac number, because 2609451 - 2³ = 2609443 is a prime.

2609451 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2609401) 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, 11035 + ... + 11268.

2^2609451 is an apocalyptic number.

2609451 is a deficient number, since it is larger than the sum of its proper divisors (1449877).

2609451 is a wasteful number, since it uses less digits than its factorization.

2609451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22322 (or 22319 counting only the distinct ones).

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

The square root of 2609451 is about 1615.3795219700. The cubic root of 2609451 is about 137.6732977463.

The spelling of 2609451 in words is "two million, six hundred nine thousand, four hundred fifty-one".