25555133 has 8 divisors (see below), whose sum is σ = 26959200. Its totient is φ = 24157008.

The previous prime is 25555111. The next prime is 25555147. The reversal of 25555133 is 33155552.

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 25555133 - 2⁶ = 25555069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25555096 and 25555105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25555163) 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, 9503 + ... + 11891.

It is an arithmetic number, because the mean of its divisors is an integer number (3369900).

Almost surely, 2^25555133 is an apocalyptic number.

It is an amenable number.

25555133 is a deficient number, since it is larger than the sum of its proper divisors (1404067).

25555133 is a wasteful number, since it uses less digits than its factorization.

25555133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971.

The product of its digits is 11250, while the sum is 29.

The square root of 25555133 is about 5055.2085021293. The cubic root of 25555133 is about 294.5502406208.

The spelling of 25555133 in words is "twenty-five million, five hundred fifty-five thousand, one hundred thirty-three".