2641431 has 16 divisors (see below), whose sum is σ = 3840480. Its totient is φ = 1605120.

The previous prime is 2641423. The next prime is 2641433. The reversal of 2641431 is 1341462.

It is not a de Polignac number, because 2641431 - 2³ = 2641423 is a prime.

It is a super-2 number, since 2×2641431² = 13954315455522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2641398 and 2641407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3091 + ... + 3851.

It is an arithmetic number, because the mean of its divisors is an integer number (240030).

2^2641431 is an apocalyptic number.

2641431 is a deficient number, since it is larger than the sum of its proper divisors (1199049).

2641431 is a wasteful number, since it uses less digits than its factorization.

2641431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866.

The product of its digits is 576, while the sum is 21.

The square root of 2641431 is about 1625.2479810786. The cubic root of 2641431 is about 138.2334318463.

Adding to 2641431 its reverse (1341462), we get a palindrome (3982893).

The spelling of 2641431 in words is "two million, six hundred forty-one thousand, four hundred thirty-one".