2569431 has 16 divisors (see below), whose sum is σ = 3677184. Its totient is φ = 1590144.

The previous prime is 2569423. The next prime is 2569439. The reversal of 2569431 is 1349652.

It is an interprime number because it is at equal distance from previous prime (2569423) and next prime (2569439).

It is not a de Polignac number, because 2569431 - 2³ = 2569423 is a prime.

It is a super-2 number, since 2×2569431² = 13203951327522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2569439) 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 15 ways as a sum of consecutive naturals, for example, 3930 + ... + 4536.

It is an arithmetic number, because the mean of its divisors is an integer number (229824).

2^2569431 is an apocalyptic number.

2569431 is a deficient number, since it is larger than the sum of its proper divisors (1107753).

2569431 is a wasteful number, since it uses less digits than its factorization.

2569431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710.

The product of its digits is 6480, while the sum is 30.

The square root of 2569431 is about 1602.9444781402. The cubic root of 2569431 is about 136.9658571923.

The spelling of 2569431 in words is "two million, five hundred sixty-nine thousand, four hundred thirty-one".