25063247 has 4 divisors (see below), whose sum is σ = 27341736. Its totient is φ = 22784760.

The previous prime is 25063243. The next prime is 25063249. The reversal of 25063247 is 74236052.

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 25063247 - 2² = 25063243 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 (25063243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139228 + ... + 1139249.

It is an arithmetic number, because the mean of its divisors is an integer number (6835434).

Almost surely, 2^25063247 is an apocalyptic number.

25063247 is a deficient number, since it is larger than the sum of its proper divisors (2278489).

25063247 is a wasteful number, since it uses less digits than its factorization.

25063247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278488.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 25063247 is about 5006.3207048690. The cubic root of 25063247 is about 292.6481466399.

Adding to 25063247 its reverse (74236052), we get a palindrome (99299299).

The spelling of 25063247 in words is "twenty-five million, sixty-three thousand, two hundred forty-seven".