26340513 has 4 divisors (see below), whose sum is σ = 35120688. Its totient is φ = 17560340.

The previous prime is 26340473. The next prime is 26340521. The reversal of 26340513 is 31504362.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26340513 - 2⁶ = 26340449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26340583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4390083 + ... + 4390088.

It is an arithmetic number, because the mean of its divisors is an integer number (8780172).

Almost surely, 2^26340513 is an apocalyptic number.

It is an amenable number.

26340513 is a deficient number, since it is larger than the sum of its proper divisors (8780175).

26340513 is an equidigital number, since it uses as much as digits as its factorization.

26340513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8780174.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 26340513 is about 5132.3009459696. The cubic root of 26340513 is about 297.5372944795.

Adding to 26340513 its reverse (31504362), we get a palindrome (57844875).

The spelling of 26340513 in words is "twenty-six million, three hundred forty thousand, five hundred thirteen".