25250533 has 24 divisors (see below), whose sum is σ = 32503680. Its totient is φ = 19393920.

The previous prime is 25250531. The next prime is 25250543. The reversal of 25250533 is 33505252.

It is not a de Polignac number, because 25250533 - 2¹ = 25250531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25250498 and 25250507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25250531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42285 + ... + 42877.

It is an arithmetic number, because the mean of its divisors is an integer number (1354320).

Almost surely, 2^25250533 is an apocalyptic number.

It is an amenable number.

25250533 is a deficient number, since it is larger than the sum of its proper divisors (7253147).

25250533 is a wasteful number, since it uses less digits than its factorization.

25250533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 25250533 is about 5024.9908457628. The cubic root of 25250533 is about 293.3752796706.

Adding to 25250533 its reverse (33505252), we get a palindrome (58755785).

The spelling of 25250533 in words is "twenty-five million, two hundred fifty thousand, five hundred thirty-three".