25226533 has 4 divisors (see below), whose sum is σ = 25238560. Its totient is φ = 25214508.

The previous prime is 25226483. The next prime is 25226567. The reversal of 25226533 is 33562252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25226533 - 2⁹ = 25226021 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25226573) 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 3 ways as a sum of consecutive naturals, for example, 1953 + ... + 7366.

It is an arithmetic number, because the mean of its divisors is an integer number (6309640).

Almost surely, 2^25226533 is an apocalyptic number.

It is an amenable number.

25226533 is a deficient number, since it is larger than the sum of its proper divisors (12027).

25226533 is an equidigital number, since it uses as much as digits as its factorization.

25226533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12026.

The product of its digits is 10800, while the sum is 28.

The square root of 25226533 is about 5022.6022139923. The cubic root of 25226533 is about 293.2823015850.

Adding to 25226533 its reverse (33562252), we get a palindrome (58788785).

The spelling of 25226533 in words is "twenty-five million, two hundred twenty-six thousand, five hundred thirty-three".