25880555 has 8 divisors (see below), whose sum is σ = 31266000. Its totient is φ = 20564896.

The previous prime is 25880537. The next prime is 25880573. The reversal of 25880555 is 55508852.

It is an interprime number because it is at equal distance from previous prime (25880537) and next prime (25880573).

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

It is a cyclic number.

It is not a de Polignac number, because 25880555 - 2¹⁴ = 25864171 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16625 + ... + 18114.

It is an arithmetic number, because the mean of its divisors is an integer number (3908250).

Almost surely, 2^25880555 is an apocalyptic number.

25880555 is a deficient number, since it is larger than the sum of its proper divisors (5385445).

25880555 is a wasteful number, since it uses less digits than its factorization.

25880555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34893.

The product of its (nonzero) digits is 80000, while the sum is 38.

The square root of 25880555 is about 5087.2934847520. The cubic root of 25880555 is about 295.7952496546.

The spelling of 25880555 in words is "twenty-five million, eight hundred eighty thousand, five hundred fifty-five".