2481431 has 4 divisors (see below), whose sum is σ = 2488200. Its totient is φ = 2474664.

The previous prime is 2481421. The next prime is 2481433. The reversal of 2481431 is 1341842.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2481431 is a prime.

It is a super-2 number, since 2×2481431² = 12314999615522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2481397 and 2481406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2481433) 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 3 ways as a sum of consecutive naturals, for example, 2801 + ... + 3578.

It is an arithmetic number, because the mean of its divisors is an integer number (622050).

2^2481431 is an apocalyptic number.

2481431 is a deficient number, since it is larger than the sum of its proper divisors (6769).

2481431 is an equidigital number, since it uses as much as digits as its factorization.

2481431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768.

The product of its digits is 768, while the sum is 23.

The square root of 2481431 is about 1575.2558522348. The cubic root of 2481431 is about 135.3840186172.

The spelling of 2481431 in words is "two million, four hundred eighty-one thousand, four hundred thirty-one".