2562631 has 4 divisors (see below), whose sum is σ = 2713392. Its totient is φ = 2411872.

The previous prime is 2562629. The next prime is 2562641. The reversal of 2562631 is 1362652.

2562631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2562631 - 2¹ = 2562629 is a prime.

It is a super-2 number, since 2×2562631² = 13134155284322, 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 = 2562596 and 2562605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2562601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75355 + ... + 75388.

It is an arithmetic number, because the mean of its divisors is an integer number (678348).

2^2562631 is an apocalyptic number.

2562631 is a deficient number, since it is larger than the sum of its proper divisors (150761).

2562631 is a wasteful number, since it uses less digits than its factorization.

2562631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150760.

The product of its digits is 2160, while the sum is 25.

The square root of 2562631 is about 1600.8219763609. The cubic root of 2562631 is about 136.8449237170.

The spelling of 2562631 in words is "two million, five hundred sixty-two thousand, six hundred thirty-one".