2664451 has 2 divisors, whose sum is σ = 2664452. Its totient is φ = 2664450.

The previous prime is 2664449. The next prime is 2664479. The reversal of 2664451 is 1544662.

It is an a-pointer prime, because the next prime (2664479) can be obtained adding 2664451 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2664451 - 2¹ = 2664449 is a prime.

Together with 2664449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2664401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332225 + 1332226.

It is an arithmetic number, because the mean of its divisors is an integer number (1332226).

2^2664451 is an apocalyptic number.

2664451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664451 is an equidigital number, since it uses as much as digits as its factorization.

2664451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 2664451 is about 1632.3146142824. The cubic root of 2664451 is about 138.6338377916.

The spelling of 2664451 in words is "two million, six hundred sixty-four thousand, four hundred fifty-one".