26313631 has 8 divisors (see below), whose sum is σ = 27016128. Its totient is φ = 25620000.

The previous prime is 26313611. The next prime is 26313641. The reversal of 26313631 is 13631362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26313631 - 2⁷ = 26313503 is a prime.

It is a super-2 number, since 2×26313631² = 1384814352808322, 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 = 26313596 and 26313605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26313601) 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 7 ways as a sum of consecutive naturals, for example, 4026 + ... + 8296.

It is an arithmetic number, because the mean of its divisors is an integer number (3377016).

Almost surely, 2^26313631 is an apocalyptic number.

26313631 is a deficient number, since it is larger than the sum of its proper divisors (702497).

26313631 is a wasteful number, since it uses less digits than its factorization.

26313631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433.

The product of its digits is 1944, while the sum is 25.

The square root of 26313631 is about 5129.6813741206. The cubic root of 26313631 is about 297.4360420851.

Adding to 26313631 its reverse (13631362), we get a palindrome (39944993).

The spelling of 26313631 in words is "twenty-six million, three hundred thirteen thousand, six hundred thirty-one".