25452535 has 4 divisors (see below), whose sum is σ = 30543048. Its totient is φ = 20362024.

The previous prime is 25452527. The next prime is 25452569. The reversal of 25452535 is 53525452.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25452535 - 2³ = 25452527 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25452497 and 25452506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2545249 + ... + 2545258.

It is an arithmetic number, because the mean of its divisors is an integer number (7635762).

Almost surely, 2^25452535 is an apocalyptic number.

25452535 is a deficient number, since it is larger than the sum of its proper divisors (5090513).

25452535 is an equidigital number, since it uses as much as digits as its factorization.

25452535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090512.

The product of its digits is 30000, while the sum is 31.

The square root of 25452535 is about 5045.0505448410. The cubic root of 25452535 is about 294.1555280268.

Adding to 25452535 its reverse (53525452), we get a palindrome (78977987).

The spelling of 25452535 in words is "twenty-five million, four hundred fifty-two thousand, five hundred thirty-five".