26510061 has 4 divisors (see below), whose sum is σ = 35346752. Its totient is φ = 17673372.

The previous prime is 26510047. The next prime is 26510063. The reversal of 26510061 is 16001562.

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 not a de Polignac number, because 26510061 - 2⁷ = 26509933 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 (26510063) 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, 4418341 + ... + 4418346.

It is an arithmetic number, because the mean of its divisors is an integer number (8836688).

Almost surely, 2^26510061 is an apocalyptic number.

It is an amenable number.

26510061 is a deficient number, since it is larger than the sum of its proper divisors (8836691).

26510061 is an equidigital number, since it uses as much as digits as its factorization.

26510061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8836690.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 26510061 is about 5148.7921884652. The cubic root of 26510061 is about 298.1743233311.

The spelling of 26510061 in words is "twenty-six million, five hundred ten thousand, sixty-one".