2579963 has 2 divisors, whose sum is σ = 2579964. Its totient is φ = 2579962.

The previous prime is 2579939. The next prime is 2579977. The reversal of 2579963 is 3699752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2579963 - 2¹⁶ = 2514427 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2579963.

It is not a weakly prime, because it can be changed into another prime (2579923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1289981 + 1289982.

It is an arithmetic number, because the mean of its divisors is an integer number (1289982).

2^2579963 is an apocalyptic number.

2579963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2579963 is an equidigital number, since it uses as much as digits as its factorization.

2579963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 41.

The square root of 2579963 is about 1606.2263227827. The cubic root of 2579963 is about 137.1527413614.

The spelling of 2579963 in words is "two million, five hundred seventy-nine thousand, nine hundred sixty-three".