25326869 has 4 divisors (see below), whose sum is σ = 25632096. Its totient is φ = 25021644.

The previous prime is 25326863. The next prime is 25326877. The reversal of 25326869 is 96862352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25326869 - 2¹⁶ = 25261333 is a prime.

It is a super-2 number, since 2×25326869² = 1282900586686322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25326863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152489 + ... + 152654.

It is an arithmetic number, because the mean of its divisors is an integer number (6408024).

Almost surely, 2^25326869 is an apocalyptic number.

It is an amenable number.

25326869 is a deficient number, since it is larger than the sum of its proper divisors (305227).

25326869 is an equidigital number, since it uses as much as digits as its factorization.

25326869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305226.

The product of its digits is 155520, while the sum is 41.

The square root of 25326869 is about 5032.5807494764. The cubic root of 25326869 is about 293.6706208331.

The spelling of 25326869 in words is "twenty-five million, three hundred twenty-six thousand, eight hundred sixty-nine".