2500569 has 12 divisors (see below), whose sum is σ = 3646500. Its totient is φ = 1651104.

The previous prime is 2500559. The next prime is 2500591. The reversal of 2500569 is 9650052.

It can be written as a sum of positive squares in 2 ways, for example, as 2064969 + 435600 = 1437^2 + 660^2 .

It is not a de Polignac number, because 2500569 - 2⁷ = 2500441 is a prime.

It is a super-2 number, since 2×2500569² = 12505690647522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2500529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294 + ... + 2255.

It is an arithmetic number, because the mean of its divisors is an integer number (303875).

2^2500569 is an apocalyptic number.

It is an amenable number.

2500569 is a deficient number, since it is larger than the sum of its proper divisors (1145931).

2500569 is a wasteful number, since it uses less digits than its factorization.

2500569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664 (or 2661 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 2500569 is about 1581.3187534460. The cubic root of 2500569 is about 135.7311767395.

The spelling of 2500569 in words is "two million, five hundred thousand, five hundred sixty-nine".