26261051 has 4 divisors (see below), whose sum is σ = 26292552. Its totient is φ = 26229552.

The previous prime is 26261041. The next prime is 26261063. The reversal of 26261051 is 15016262.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26261051 - 2⁶ = 26260987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26261041) 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, 14465 + ... + 16178.

It is an arithmetic number, because the mean of its divisors is an integer number (6573138).

Almost surely, 2^26261051 is an apocalyptic number.

26261051 is a deficient number, since it is larger than the sum of its proper divisors (31501).

26261051 is an equidigital number, since it uses as much as digits as its factorization.

26261051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31500.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 26261051 is about 5124.5537366682. The cubic root of 26261051 is about 297.2377973625.

The spelling of 26261051 in words is "twenty-six million, two hundred sixty-one thousand, fifty-one".