25525433 has 4 divisors (see below), whose sum is σ = 25541748. Its totient is φ = 25509120.

The previous prime is 25525421. The next prime is 25525441. The reversal of 25525433 is 33452552.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10679824 + 14845609 = 3268^2 + 3853^2 .

It is a cyclic number.

It is not a de Polignac number, because 25525433 - 2¹² = 25521337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25525396 and 25525405.

It is not an unprimeable number, because it can be changed into a prime (25525403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5528 + ... + 9033.

It is an arithmetic number, because the mean of its divisors is an integer number (6385437).

Almost surely, 2^25525433 is an apocalyptic number.

It is an amenable number.

25525433 is a deficient number, since it is larger than the sum of its proper divisors (16315).

25525433 is a wasteful number, since it uses less digits than its factorization.

25525433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16314.

The product of its digits is 18000, while the sum is 29.

The square root of 25525433 is about 5052.2700838336. The cubic root of 25525433 is about 294.4360882984.

Adding to 25525433 its reverse (33452552), we get a palindrome (58977985).

The spelling of 25525433 in words is "twenty-five million, five hundred twenty-five thousand, four hundred thirty-three".