25254533 has 4 divisors (see below), whose sum is σ = 25267008. Its totient is φ = 25242060.

The previous prime is 25254521. The next prime is 25254577. The reversal of 25254533 is 33545252.

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 25254533 - 2⁴ = 25254517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25254496 and 25254505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25254583) 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, 2423 + ... + 7508.

It is an arithmetic number, because the mean of its divisors is an integer number (6316752).

Almost surely, 2^25254533 is an apocalyptic number.

It is an amenable number.

25254533 is a deficient number, since it is larger than the sum of its proper divisors (12475).

25254533 is an equidigital number, since it uses as much as digits as its factorization.

25254533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12474.

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

The square root of 25254533 is about 5025.3888406769. The cubic root of 25254533 is about 293.3907702896.

Adding to 25254533 its reverse (33545252), we get a palindrome (58799785).

The spelling of 25254533 in words is "twenty-five million, two hundred fifty-four thousand, five hundred thirty-three".