26250091 has 8 divisors (see below), whose sum is σ = 31764960. Its totient is φ = 21176448.

The previous prime is 26250089. The next prime is 26250097. The reversal of 26250091 is 19005262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26250091 - 2¹ = 26250089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26250097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110176 + ... + 110413.

It is an arithmetic number, because the mean of its divisors is an integer number (3970620).

Almost surely, 2^26250091 is an apocalyptic number.

26250091 is a deficient number, since it is larger than the sum of its proper divisors (5514869).

26250091 is a wasteful number, since it uses less digits than its factorization.

26250091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220613.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 26250091 is about 5123.4842636628. The cubic root of 26250091 is about 297.1964410644.

The spelling of 26250091 in words is "twenty-six million, two hundred fifty thousand, ninety-one".