26825013 has 28 divisors (see below), whose sum is σ = 41551488. Its totient is φ = 17291880.

The previous prime is 26824981. The next prime is 26825021. The reversal of 26825013 is 31052862.

It is not a de Polignac number, because 26825013 - 2⁵ = 26824981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26825023) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 22006 + ... + 23192.

Almost surely, 2^26825013 is an apocalyptic number.

It is an amenable number.

26825013 is a deficient number, since it is larger than the sum of its proper divisors (14726475).

26825013 is an equidigital number, since it uses as much as digits as its factorization.

26825013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 26825013 is about 5179.2869200306. The cubic root of 26825013 is about 299.3504948249.

Adding to 26825013 its reverse (31052862), we get a palindrome (57877875).

It can be divided in two parts, 268 and 25013, that added together give a square (25281 = 159²).

The spelling of 26825013 in words is "twenty-six million, eight hundred twenty-five thousand, thirteen".