25545155 has 8 divisors (see below), whose sum is σ = 30838752. Its totient is φ = 20313088.

The previous prime is 25545127. The next prime is 25545167. The reversal of 25545155 is 55154552.

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 25545155 - 2¹⁰ = 25544131 is a prime.

It is a Duffinian number.

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, 14462 + ... + 16131.

It is an arithmetic number, because the mean of its divisors is an integer number (3854844).

Almost surely, 2^25545155 is an apocalyptic number.

25545155 is a deficient number, since it is larger than the sum of its proper divisors (5293597).

25545155 is a wasteful number, since it uses less digits than its factorization.

25545155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30765.

The product of its digits is 25000, while the sum is 32.

The square root of 25545155 is about 5054.2215028627. The cubic root of 25545155 is about 294.5118999230.

The spelling of 25545155 in words is "twenty-five million, five hundred forty-five thousand, one hundred fifty-five".