25632655 has 16 divisors (see below), whose sum is σ = 31562784. Its totient is φ = 19976320.

The previous prime is 25632631. The next prime is 25632661. The reversal of 25632655 is 55623652.

It is not a de Polignac number, because 25632655 - 2¹¹ = 25630607 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 25632655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51960 + ... + 52450.

It is an arithmetic number, because the mean of its divisors is an integer number (1972674).

Almost surely, 2^25632655 is an apocalyptic number.

25632655 is a deficient number, since it is larger than the sum of its proper divisors (5930129).

25632655 is a wasteful number, since it uses less digits than its factorization.

25632655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746.

The product of its digits is 54000, while the sum is 34.

The square root of 25632655 is about 5062.8702333755. The cubic root of 25632655 is about 294.8477812797.

The spelling of 25632655 in words is "twenty-five million, six hundred thirty-two thousand, six hundred fifty-five".