25650069 has 4 divisors (see below), whose sum is σ = 34200096. Its totient is φ = 17100044.

The previous prime is 25650047. The next prime is 25650101. The reversal of 25650069 is 96005652.

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 25650069 - 2⁹ = 25649557 is a prime.

It is a super-2 number, since 2×25650069² = 1315852079409522, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25650029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4275009 + ... + 4275014.

It is an arithmetic number, because the mean of its divisors is an integer number (8550024).

Almost surely, 2^25650069 is an apocalyptic number.

It is an amenable number.

25650069 is a deficient number, since it is larger than the sum of its proper divisors (8550027).

25650069 is an equidigital number, since it uses as much as digits as its factorization.

25650069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8550026.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 25650069 is about 5064.5897168478. The cubic root of 25650069 is about 294.9145361928.

The spelling of 25650069 in words is "twenty-five million, six hundred fifty thousand, sixty-nine".