2660451 has 8 divisors (see below), whose sum is σ = 3661824. Its totient is φ = 1716360.

The previous prime is 2660447. The next prime is 2660461. The reversal of 2660451 is 1540662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2660451 - 2² = 2660447 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2660401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14211 + ... + 14396.

It is an arithmetic number, because the mean of its divisors is an integer number (457728).

2^2660451 is an apocalyptic number.

2660451 is a deficient number, since it is larger than the sum of its proper divisors (1001373).

2660451 is a wasteful number, since it uses less digits than its factorization.

2660451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28641.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2660451 is about 1631.0889000910. The cubic root of 2660451 is about 138.5644284861.

The spelling of 2660451 in words is "two million, six hundred sixty thousand, four hundred fifty-one".