25896551 has 8 divisors (see below), whose sum is σ = 27091584. Its totient is φ = 24707320.

The previous prime is 25896539. The next prime is 25896553. The reversal of 25896551 is 15569852.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25896551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25896499 and 25896508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25896553) 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, 9536 + ... + 11946.

It is an arithmetic number, because the mean of its divisors is an integer number (3386448).

Almost surely, 2^25896551 is an apocalyptic number.

25896551 is a deficient number, since it is larger than the sum of its proper divisors (1195033).

25896551 is a wasteful number, since it uses less digits than its factorization.

25896551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901.

The product of its digits is 108000, while the sum is 41.

The square root of 25896551 is about 5088.8653941719. The cubic root of 25896551 is about 295.8561778475.

The spelling of 25896551 in words is "twenty-five million, eight hundred ninety-six thousand, five hundred fifty-one".