2579651 has 2 divisors, whose sum is σ = 2579652. Its totient is φ = 2579650.

The previous prime is 2579627. The next prime is 2579653. The reversal of 2579651 is 1569752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2579651 - 2¹⁸ = 2317507 is a prime.

Together with 2579653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2579653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1289825 + 1289826.

It is an arithmetic number, because the mean of its divisors is an integer number (1289826).

2^2579651 is an apocalyptic number.

2579651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2579651 is an equidigital number, since it uses as much as digits as its factorization.

2579651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 35.

The square root of 2579651 is about 1606.1291977920. The cubic root of 2579651 is about 137.1472124216.

The spelling of 2579651 in words is "two million, five hundred seventy-nine thousand, six hundred fifty-one".