26412531 has 4 divisors (see below), whose sum is σ = 35216712. Its totient is φ = 17608352.

The previous prime is 26412523. The next prime is 26412541. The reversal of 26412531 is 13521462.

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 26412531 - 2³ = 26412523 is a prime.

It is a super-2 number, since 2×26412531² = 1395243587651922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26412521) 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 3 ways as a sum of consecutive naturals, for example, 4402086 + ... + 4402091.

It is an arithmetic number, because the mean of its divisors is an integer number (8804178).

Almost surely, 2^26412531 is an apocalyptic number.

26412531 is a deficient number, since it is larger than the sum of its proper divisors (8804181).

26412531 is an equidigital number, since it uses as much as digits as its factorization.

26412531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8804180.

The product of its digits is 1440, while the sum is 24.

The square root of 26412531 is about 5139.3123080817. The cubic root of 26412531 is about 297.8082148114.

Adding to 26412531 its reverse (13521462), we get a palindrome (39933993).

The spelling of 26412531 in words is "twenty-six million, four hundred twelve thousand, five hundred thirty-one".