26190413 has 4 divisors (see below), whose sum is σ = 26898300. Its totient is φ = 25482528.

The previous prime is 26190407. The next prime is 26190457. The reversal of 26190413 is 31409162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31409162 = 2 ⋅15704581.

It can be written as a sum of positive squares in 2 ways, for example, as 23687689 + 2502724 = 4867^2 + 1582^2 .

It is a cyclic number.

It is not a de Polignac number, because 26190413 - 2¹⁶ = 26124877 is a prime.

It is a super-2 number, since 2×26190413² = 1371875466221138, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26190473) 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, 353888 + ... + 353961.

It is an arithmetic number, because the mean of its divisors is an integer number (6724575).

Almost surely, 2^26190413 is an apocalyptic number.

It is an amenable number.

26190413 is a deficient number, since it is larger than the sum of its proper divisors (707887).

26190413 is an equidigital number, since it uses as much as digits as its factorization.

26190413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707886.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 26190413 is about 5117.6569834251. The cubic root of 26190413 is about 296.9710507745.

Adding to 26190413 its reverse (31409162), we get a palindrome (57599575).

The spelling of 26190413 in words is "twenty-six million, one hundred ninety thousand, four hundred thirteen".