26250813 has 6 divisors (see below), whose sum is σ = 37917854. Its totient is φ = 17500536.

The previous prime is 26250803. The next prime is 26250821. The reversal of 26250813 is 31805262.

It can be written as a sum of positive squares in only one way, i.e., 19686969 + 6563844 = 4437^2 + 2562^2 .

It is not a de Polignac number, because 26250813 - 2⁵ = 26250781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26250803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1458370 + ... + 1458387.

Almost surely, 2^26250813 is an apocalyptic number.

It is an amenable number.

26250813 is a deficient number, since it is larger than the sum of its proper divisors (11667041).

26250813 is a wasteful number, since it uses less digits than its factorization.

26250813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916763 (or 2916760 counting only the distinct ones).

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

The square root of 26250813 is about 5123.5547230414. The cubic root of 26250813 is about 297.1991658024.

The spelling of 26250813 in words is "twenty-six million, two hundred fifty thousand, eight hundred thirteen".