2915663 has 2 divisors, whose sum is σ = 2915664. Its totient is φ = 2915662.

The previous prime is 2915623. The next prime is 2915677. The reversal of 2915663 is 3665192.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2915663 - 2⁶ = 2915599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2915623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1457831 + 1457832.

It is an arithmetic number, because the mean of its divisors is an integer number (1457832).

2^2915663 is an apocalyptic number.

2915663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2915663 is an equidigital number, since it uses as much as digits as its factorization.

2915663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 32.

The square root of 2915663 is about 1707.5312588647. The cubic root of 2915663 is about 142.8605908215.

The spelling of 2915663 in words is "two million, nine hundred fifteen thousand, six hundred sixty-three".