2546431 has 4 divisors (see below), whose sum is σ = 2549664. Its totient is φ = 2543200.

The previous prime is 2546429. The next prime is 2546443. The reversal of 2546431 is 1346452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2546431 - 2¹ = 2546429 is a prime.

It is a super-2 number, since 2×2546431² = 12968621675522, 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 = 2546396 and 2546405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2546231) 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, 426 + ... + 2296.

It is an arithmetic number, because the mean of its divisors is an integer number (637416).

2^2546431 is an apocalyptic number.

2546431 is a deficient number, since it is larger than the sum of its proper divisors (3233).

2546431 is a wasteful number, since it uses less digits than its factorization.

2546431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232.

The product of its digits is 2880, while the sum is 25.

The square root of 2546431 is about 1595.7540537313. The cubic root of 2546431 is about 136.5559530346. Note that the first 3 decimals are identical.

The spelling of 2546431 in words is "two million, five hundred forty-six thousand, four hundred thirty-one".