26590051 has 4 divisors (see below), whose sum is σ = 26661712. Its totient is φ = 26518392.

The previous prime is 26590049. The next prime is 26590073. The reversal of 26590051 is 15009562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15009562 = 2 ⋅7504781.

It is a cyclic number.

It is not a de Polignac number, because 26590051 - 2¹ = 26590049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26590351) 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, 35271 + ... + 36016.

It is an arithmetic number, because the mean of its divisors is an integer number (6665428).

Almost surely, 2^26590051 is an apocalyptic number.

26590051 is a deficient number, since it is larger than the sum of its proper divisors (71661).

26590051 is an equidigital number, since it uses as much as digits as its factorization.

26590051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71660.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 26590051 is about 5156.5541789067. The cubic root of 26590051 is about 298.4739204713.

The spelling of 26590051 in words is "twenty-six million, five hundred ninety thousand, fifty-one".