2569997 has 8 divisors (see below), whose sum is σ = 2823360. Its totient is φ = 2328480.

The previous prime is 2569979. The next prime is 2570011. The reversal of 2569997 is 7999652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2569997 - 2⁸ = 2569741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2569927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2504 + ... + 3377.

It is an arithmetic number, because the mean of its divisors is an integer number (352920).

2^2569997 is an apocalyptic number.

It is an amenable number.

2569997 is a deficient number, since it is larger than the sum of its proper divisors (253363).

2569997 is a wasteful number, since it uses less digits than its factorization.

2569997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5923.

The product of its digits is 306180, while the sum is 47.

The square root of 2569997 is about 1603.1210185136. The cubic root of 2569997 is about 136.9759135022.

The spelling of 2569997 in words is "two million, five hundred sixty-nine thousand, nine hundred ninety-seven".