25453533 has 16 divisors (see below), whose sum is σ = 38865536. Its totient is φ = 14515200.

The previous prime is 25453523. The next prime is 25453553. The reversal of 25453533 is 33535452.

It is not a de Polignac number, because 25453533 - 2⁴ = 25453517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25453533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25453513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13233 + ... + 15033.

It is an arithmetic number, because the mean of its divisors is an integer number (2429096).

Almost surely, 2^25453533 is an apocalyptic number.

It is an amenable number.

25453533 is a deficient number, since it is larger than the sum of its proper divisors (13412003).

25453533 is a wasteful number, since it uses less digits than its factorization.

25453533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484.

The product of its digits is 27000, while the sum is 30.

The square root of 25453533 is about 5045.1494526922. The cubic root of 25453533 is about 294.1593726128.

Adding to 25453533 its reverse (33535452), we get a palindrome (58988985).

The spelling of 25453533 in words is "twenty-five million, four hundred fifty-three thousand, five hundred thirty-three".