25632155 has 8 divisors (see below), whose sum is σ = 31413312. Its totient is φ = 20069248.

The previous prime is 25632151. The next prime is 25632161. The reversal of 25632155 is 55123652.

It is a happy number.

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 25632155 - 2² = 25632151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25632151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54302 + ... + 54771.

It is an arithmetic number, because the mean of its divisors is an integer number (3926664).

Almost surely, 2^25632155 is an apocalyptic number.

25632155 is a deficient number, since it is larger than the sum of its proper divisors (5781157).

25632155 is a wasteful number, since it uses less digits than its factorization.

25632155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109125.

The product of its digits is 9000, while the sum is 29.

The square root of 25632155 is about 5062.8208540299. The cubic root of 25632155 is about 294.8458641308.

The spelling of 25632155 in words is "twenty-five million, six hundred thirty-two thousand, one hundred fifty-five".