26250251 has 4 divisors (see below), whose sum is σ = 26262600. Its totient is φ = 26237904.

The previous prime is 26250241. The next prime is 26250269. The reversal of 26250251 is 15205262.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 15205262 = 2 ⋅7602631.

It is a cyclic number.

It is not a de Polignac number, because 26250251 - 2⁶ = 26250187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26250241) 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, 2081 + ... + 7538.

It is an arithmetic number, because the mean of its divisors is an integer number (6565650).

Almost surely, 2^26250251 is an apocalyptic number.

26250251 is a deficient number, since it is larger than the sum of its proper divisors (12349).

26250251 is an equidigital number, since it uses as much as digits as its factorization.

26250251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12348.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 26250251 is about 5123.4998780131. The cubic root of 26250251 is about 297.1970448887.

The spelling of 26250251 in words is "twenty-six million, two hundred fifty thousand, two hundred fifty-one".