25347263 has 4 divisors (see below), whose sum is σ = 25598328. Its totient is φ = 25096200.

The previous prime is 25347209. The next prime is 25347277. The reversal of 25347263 is 36274352.

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

It is a cyclic number.

It is not a de Polignac number, because 25347263 - 2¹² = 25343167 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 (25347293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125381 + ... + 125582.

It is an arithmetic number, because the mean of its divisors is an integer number (6399582).

Almost surely, 2^25347263 is an apocalyptic number.

25347263 is a deficient number, since it is larger than the sum of its proper divisors (251065).

25347263 is a wasteful number, since it uses less digits than its factorization.

25347263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251064.

The product of its digits is 30240, while the sum is 32.

The square root of 25347263 is about 5034.6065387476. The cubic root of 25347263 is about 293.7494239916.

The spelling of 25347263 in words is "twenty-five million, three hundred forty-seven thousand, two hundred sixty-three".