25237243 has 4 divisors (see below), whose sum is σ = 25256088. Its totient is φ = 25218400.

The previous prime is 25237241. The next prime is 25237253. The reversal of 25237243 is 34273252.

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 25237243 - 2¹ = 25237241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25237241) 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, 7246 + ... + 10147.

It is an arithmetic number, because the mean of its divisors is an integer number (6314022).

Almost surely, 2^25237243 is an apocalyptic number.

25237243 is a deficient number, since it is larger than the sum of its proper divisors (18845).

25237243 is a wasteful number, since it uses less digits than its factorization.

25237243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18844.

The product of its digits is 10080, while the sum is 28.

The square root of 25237243 is about 5023.6682812463. The cubic root of 25237243 is about 293.3238003387.

The spelling of 25237243 in words is "twenty-five million, two hundred thirty-seven thousand, two hundred forty-three".