25224613 has 8 divisors (see below), whose sum is σ = 25740288. Its totient is φ = 24714144.

The previous prime is 25224601. The next prime is 25224623. The reversal of 25224613 is 31642252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25224613 - 2¹³ = 25216421 is a prime.

It is a super-2 number, since 2×25224613² = 1272562201999538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25224623) 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 7 ways as a sum of consecutive naturals, for example, 9345 + ... + 11737.

It is an arithmetic number, because the mean of its divisors is an integer number (3217536).

Almost surely, 2^25224613 is an apocalyptic number.

It is an amenable number.

25224613 is a deficient number, since it is larger than the sum of its proper divisors (515675).

25224613 is a wasteful number, since it uses less digits than its factorization.

25224613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603.

The product of its digits is 2880, while the sum is 25.

The square root of 25224613 is about 5022.4110743745. The cubic root of 25224613 is about 293.2748607910.

Adding to 25224613 its reverse (31642252), we get a palindrome (56866865).

The spelling of 25224613 in words is "twenty-five million, two hundred twenty-four thousand, six hundred thirteen".