25244473 has 4 divisors (see below), whose sum is σ = 26729460. Its totient is φ = 23759488.

The previous prime is 25244467. The next prime is 25244489. The reversal of 25244473 is 37444252.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12306064 + 12938409 = 3508^2 + 3597^2 .

It is a cyclic number.

It is not a de Polignac number, because 25244473 - 2⁵ = 25244441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25244173) 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, 742468 + ... + 742501.

It is an arithmetic number, because the mean of its divisors is an integer number (6682365).

Almost surely, 2^25244473 is an apocalyptic number.

It is an amenable number.

25244473 is a deficient number, since it is larger than the sum of its proper divisors (1484987).

25244473 is a wasteful number, since it uses less digits than its factorization.

25244473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484986.

The product of its digits is 26880, while the sum is 31.

The square root of 25244473 is about 5024.3878234069. The cubic root of 25244473 is about 293.3518082659.

The spelling of 25244473 in words is "twenty-five million, two hundred forty-four thousand, four hundred seventy-three".