25224741 has 6 divisors (see below), whose sum is σ = 36435750. Its totient is φ = 16816488.

The previous prime is 25224733. The next prime is 25224743. The reversal of 25224741 is 14742252.

It can be written as a sum of positive squares in only one way, i.e., 13176900 + 12047841 = 3630^2 + 3471^2 .

It is not a de Polignac number, because 25224741 - 2³ = 25224733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25224743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1401366 + ... + 1401383.

It is an arithmetic number, because the mean of its divisors is an integer number (6072625).

Almost surely, 2^25224741 is an apocalyptic number.

It is an amenable number.

25224741 is a deficient number, since it is larger than the sum of its proper divisors (11211009).

25224741 is a wasteful number, since it uses less digits than its factorization.

25224741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802755 (or 2802752 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 25224741 is about 5022.4238172420. The cubic root of 25224741 is about 293.2753568557.

Adding to 25224741 its reverse (14742252), we get a palindrome (39966993).

The spelling of 25224741 in words is "twenty-five million, two hundred twenty-four thousand, seven hundred forty-one".