2664577 has 2 divisors, whose sum is σ = 2664578. Its totient is φ = 2664576.

The previous prime is 2664553. The next prime is 2664589. The reversal of 2664577 is 7754662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1478656 + 1185921 = 1216^2 + 1089^2 .

It is a cyclic number.

It is not a de Polignac number, because 2664577 - 2⁷ = 2664449 is a prime.

It is not a weakly prime, because it can be changed into another prime (2664517) 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, 1332288 + 1332289.

It is an arithmetic number, because the mean of its divisors is an integer number (1332289).

2^2664577 is an apocalyptic number.

It is an amenable number.

2664577 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664577 is an equidigital number, since it uses as much as digits as its factorization.

2664577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 37.

The square root of 2664577 is about 1632.3532093270. The cubic root of 2664577 is about 138.6360230559.

The spelling of 2664577 in words is "two million, six hundred sixty-four thousand, five hundred seventy-seven".