2682431 has 4 divisors (see below), whose sum is σ = 2739552. Its totient is φ = 2625312.

The previous prime is 2682397. The next prime is 2682457. The reversal of 2682431 is 1342862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1342862 = 2 ⋅671431.

It is a cyclic number.

It is not a de Polignac number, because 2682431 - 2¹⁸ = 2420287 is a prime.

It is a super-2 number, since 2×2682431² = 14390872139522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2682431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2682131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28490 + ... + 28583.

It is an arithmetic number, because the mean of its divisors is an integer number (684888).

2^2682431 is an apocalyptic number.

2682431 is a deficient number, since it is larger than the sum of its proper divisors (57121).

2682431 is an equidigital number, since it uses as much as digits as its factorization.

2682431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57120.

The product of its digits is 2304, while the sum is 26.

The square root of 2682431 is about 1637.8128708738. The cubic root of 2682431 is about 138.9449776187.

It can be divided in two parts, 2682 and 431, that added together give a palindrome (3113).

The spelling of 2682431 in words is "two million, six hundred eighty-two thousand, four hundred thirty-one".