26163013 has 4 divisors (see below), whose sum is σ = 26183520. Its totient is φ = 26142508.

The previous prime is 26163001. The next prime is 26163023. The reversal of 26163013 is 31036162.

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 not a de Polignac number, because 26163013 - 2²¹ = 24065861 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 (26163023) 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, 8203 + ... + 10936.

It is an arithmetic number, because the mean of its divisors is an integer number (6545880).

Almost surely, 2^26163013 is an apocalyptic number.

It is an amenable number.

26163013 is a deficient number, since it is larger than the sum of its proper divisors (20507).

26163013 is a wasteful number, since it uses less digits than its factorization.

26163013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20506.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 26163013 is about 5114.9792765954. The cubic root of 26163013 is about 296.8674524840.

Adding to 26163013 its reverse (31036162), we get a palindrome (57199175).

The spelling of 26163013 in words is "twenty-six million, one hundred sixty-three thousand, thirteen".