2915623 has 2 divisors, whose sum is σ = 2915624. Its totient is φ = 2915622.

The previous prime is 2915611. The next prime is 2915663. The reversal of 2915623 is 3265192.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2915623 - 2⁹ = 2915111 is a prime.

2915623 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2915591 and 2915600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2915663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1457811 + 1457812.

It is an arithmetic number, because the mean of its divisors is an integer number (1457812).

2^2915623 is an apocalyptic number.

2915623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2915623 is an equidigital number, since it uses as much as digits as its factorization.

2915623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 28.

The square root of 2915623 is about 1707.5195460082. The cubic root of 2915623 is about 142.8599375168.

The spelling of 2915623 in words is "two million, nine hundred fifteen thousand, six hundred twenty-three".