2500969 has 2 divisors, whose sum is σ = 2500970. Its totient is φ = 2500968.

The previous prime is 2500961. The next prime is 2500973. The reversal of 2500969 is 9690052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2418025 + 82944 = 1555^2 + 288^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500969 - 2³ = 2500961 is a prime.

It is a super-2 number, since 2×2500969² = 12509691877922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2500969.

It is not a weakly prime, because it can be changed into another prime (2500961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250484 + 1250485.

It is an arithmetic number, because the mean of its divisors is an integer number (1250485).

2^2500969 is an apocalyptic number.

It is an amenable number.

2500969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500969 is an equidigital number, since it uses as much as digits as its factorization.

2500969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 2500969 is about 1581.4452251027. The cubic root of 2500969 is about 135.7384137025.

The spelling of 2500969 in words is "two million, five hundred thousand, nine hundred sixty-nine".