26751961 has 4 divisors (see below), whose sum is σ = 27151312. Its totient is φ = 26352612.

The previous prime is 26751941. The next prime is 26751983. The reversal of 26751961 is 16915762.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16915762 = 2 ⋅8457881.

It is a cyclic number.

It is not a de Polignac number, because 26751961 - 2⁵ = 26751929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26751961.

It is not an unprimeable number, because it can be changed into a prime (26751911) 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, 199575 + ... + 199708.

It is an arithmetic number, because the mean of its divisors is an integer number (6787828).

Almost surely, 2^26751961 is an apocalyptic number.

It is an amenable number.

26751961 is a deficient number, since it is larger than the sum of its proper divisors (399351).

26751961 is an equidigital number, since it uses as much as digits as its factorization.

26751961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399350.

The product of its digits is 22680, while the sum is 37.

The square root of 26751961 is about 5172.2297899455. The cubic root of 26751961 is about 299.0785094523.

The spelling of 26751961 in words is "twenty-six million, seven hundred fifty-one thousand, nine hundred sixty-one".