2550969 has 12 divisors (see below), whose sum is σ = 3901716. Its totient is φ = 1600512.

The previous prime is 2550967. The next prime is 2550971. The reversal of 2550969 is 9690552.

It is an interprime number because it is at equal distance from previous prime (2550967) and next prime (2550971).

It can be written as a sum of positive squares in 2 ways, for example, as 2205225 + 345744 = 1485^2 + 588^2 .

It is not a de Polignac number, because 2550969 - 2¹ = 2550967 is a prime.

It is a super-2 number, since 2×2550969² = 13014885677922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550967) 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 in 11 ways as a sum of consecutive naturals, for example, 8184 + ... + 8489.

It is an arithmetic number, because the mean of its divisors is an integer number (325143).

2^2550969 is an apocalyptic number.

It is an amenable number.

2550969 is a deficient number, since it is larger than the sum of its proper divisors (1350747).

2550969 is a wasteful number, since it uses less digits than its factorization.

2550969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16696 (or 16693 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 2550969 is about 1597.1753191181. The cubic root of 2550969 is about 136.6370237778.

The spelling of 2550969 in words is "two million, five hundred fifty thousand, nine hundred sixty-nine".