25274653 has 4 divisors (see below), whose sum is σ = 25286688. Its totient is φ = 25262620.

The previous prime is 25274647. The next prime is 25274671. The reversal of 25274653 is 35647252.

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 25274653 - 2⁹ = 25274141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25274633) 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, 1951 + ... + 7372.

It is an arithmetic number, because the mean of its divisors is an integer number (6321672).

Almost surely, 2^25274653 is an apocalyptic number.

It is an amenable number.

25274653 is a deficient number, since it is larger than the sum of its proper divisors (12035).

25274653 is an equidigital number, since it uses as much as digits as its factorization.

25274653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12034.

The product of its digits is 50400, while the sum is 34.

The square root of 25274653 is about 5027.3902772711. The cubic root of 25274653 is about 293.4686633075.

The spelling of 25274653 in words is "twenty-five million, two hundred seventy-four thousand, six hundred fifty-three".