26325997 has 4 divisors (see below), whose sum is σ = 27233820. Its totient is φ = 25418176.

The previous prime is 26325991. The next prime is 26326009. The reversal of 26325997 is 79952362.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5294601 + 21031396 = 2301^2 + 4586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26325997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26325991) 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, 453868 + ... + 453925.

It is an arithmetic number, because the mean of its divisors is an integer number (6808455).

Almost surely, 2^26325997 is an apocalyptic number.

It is an amenable number.

26325997 is a deficient number, since it is larger than the sum of its proper divisors (907823).

26325997 is an equidigital number, since it uses as much as digits as its factorization.

26325997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907822.

The product of its digits is 204120, while the sum is 43.

The square root of 26325997 is about 5130.8865705646. The cubic root of 26325997 is about 297.4826278018.

The spelling of 26325997 in words is "twenty-six million, three hundred twenty-five thousand, nine hundred ninety-seven".