2623997 has 2 divisors, whose sum is σ = 2623998. Its totient is φ = 2623996.

The previous prime is 2623993. The next prime is 2624023. The reversal of 2623997 is 7993262.

2623997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2247001 + 376996 = 1499^2 + 614^2 .

It is a cyclic number.

It is not a de Polignac number, because 2623997 - 2² = 2623993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2623997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2623991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311998 + 1311999.

It is an arithmetic number, because the mean of its divisors is an integer number (1311999).

2^2623997 is an apocalyptic number.

It is an amenable number.

2623997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2623997 is an equidigital number, since it uses as much as digits as its factorization.

2623997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 2623997 is about 1619.8756125086. The cubic root of 2623997 is about 137.9286370510.

The spelling of 2623997 in words is "two million, six hundred twenty-three thousand, nine hundred ninety-seven".