25525533 has 8 divisors (see below), whose sum is σ = 37128096. Its totient is φ = 15470000.

The previous prime is 25525529. The next prime is 25525541. The reversal of 25525533 is 33552552.

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 25525533 - 2² = 25525529 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25525533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25525553) 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, 386718 + ... + 386783.

It is an arithmetic number, because the mean of its divisors is an integer number (4641012).

Almost surely, 2^25525533 is an apocalyptic number.

It is an amenable number.

25525533 is a deficient number, since it is larger than the sum of its proper divisors (11602563).

25525533 is a wasteful number, since it uses less digits than its factorization.

25525533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773515.

The product of its digits is 22500, while the sum is 30.

The square root of 25525533 is about 5052.2799803653. The cubic root of 25525533 is about 294.4364727982.

The spelling of 25525533 in words is "twenty-five million, five hundred twenty-five thousand, five hundred thirty-three".