25008243 has 16 divisors (see below), whose sum is σ = 36072960. Its totient is φ = 15319584.

The previous prime is 25008229. The next prime is 25008251. The reversal of 25008243 is 34280052.

It is a de Polignac number, because none of the positive numbers 2^k-25008243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25008223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7980 + ... + 10662.

It is an arithmetic number, because the mean of its divisors is an integer number (2254560).

Almost surely, 2^25008243 is an apocalyptic number.

25008243 is a deficient number, since it is larger than the sum of its proper divisors (11064717).

25008243 is a wasteful number, since it uses less digits than its factorization.

25008243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 25008243 is about 5000.8242320642. The cubic root of 25008243 is about 292.4339071942.

Adding to 25008243 its reverse (34280052), we get a palindrome (59288295).

The spelling of 25008243 in words is "twenty-five million, eight thousand, two hundred forty-three".