25875669 has 8 divisors (see below), whose sum is σ = 35613952. Its totient is φ = 16693920.

The previous prime is 25875659. The next prime is 25875671. The reversal of 25875669 is 96657852.

It is a happy number.

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

It is not a de Polignac number, because 25875669 - 2⁷ = 25875541 is a prime.

It is a super-2 number, since 2×25875669² = 1339100492395122, 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 (25875659) 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 7 ways as a sum of consecutive naturals, for example, 139024 + ... + 139209.

It is an arithmetic number, because the mean of its divisors is an integer number (4451744).

Almost surely, 2^25875669 is an apocalyptic number.

It is an amenable number.

25875669 is a deficient number, since it is larger than the sum of its proper divisors (9738283).

25875669 is a wasteful number, since it uses less digits than its factorization.

25875669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278267.

The product of its digits is 907200, while the sum is 48.

The square root of 25875669 is about 5086.8132460314. The cubic root of 25875669 is about 295.7766340499.

It can be divided in two parts, 2587 and 5669, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 25875669 in words is "twenty-five million, eight hundred seventy-five thousand, six hundred sixty-nine".