2580631 has 2 divisors, whose sum is σ = 2580632. Its totient is φ = 2580630.

The previous prime is 2580619. The next prime is 2580647. The reversal of 2580631 is 1360852.

It is a happy number.

2580631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2580631 - 2⁹ = 2580119 is a prime.

It is a super-2 number, since 2×2580631² = 13319312716322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2580596 and 2580605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2580661) 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 as a sum of consecutive naturals, namely, 1290315 + 1290316.

It is an arithmetic number, because the mean of its divisors is an integer number (1290316).

2^2580631 is an apocalyptic number.

2580631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2580631 is an equidigital number, since it uses as much as digits as its factorization.

2580631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2580631 is about 1606.4342501329. The cubic root of 2580631 is about 137.1645774647.

It can be divided in two parts, 258063 and 1, that added together give a square (258064 = 508²).

The spelling of 2580631 in words is "two million, five hundred eighty thousand, six hundred thirty-one".