24225251 has 4 divisors (see below), whose sum is σ = 24240504. Its totient is φ = 24210000.

The previous prime is 24225241. The next prime is 24225259. The reversal of 24225251 is 15252242.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24225251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24225259) 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, 4925 + ... + 8526.

It is an arithmetic number, because the mean of its divisors is an integer number (6060126).

Almost surely, 2^24225251 is an apocalyptic number.

24225251 is a deficient number, since it is larger than the sum of its proper divisors (15253).

24225251 is a wasteful number, since it uses less digits than its factorization.

24225251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15252.

The product of its digits is 1600, while the sum is 23.

The square root of 24225251 is about 4921.9153791994. The cubic root of 24225251 is about 289.3495170584.

Adding to 24225251 its reverse (15252242), we get a palindrome (39477493).

The spelling of 24225251 in words is "twenty-four million, two hundred twenty-five thousand, two hundred fifty-one".