25172324 has 6 divisors (see below), whose sum is σ = 44051574. Its totient is φ = 12586160.

The previous prime is 25172317. The next prime is 25172333. The reversal of 25172324 is 42327152.

It can be written as a sum of positive squares in only one way, i.e., 18318400 + 6853924 = 4280^2 + 2618^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25172293 and 25172302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3146537 + ... + 3146544.

It is an arithmetic number, because the mean of its divisors is an integer number (7341929).

Almost surely, 2^25172324 is an apocalyptic number.

It is an amenable number.

25172324 is a deficient number, since it is larger than the sum of its proper divisors (18879250).

25172324 is a wasteful number, since it uses less digits than its factorization.

25172324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6293085 (or 6293083 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 25172324 is about 5017.2028063454. The cubic root of 25172324 is about 293.0720739652.

Adding to 25172324 its reverse (42327152), we get a palindrome (67499476).

The spelling of 25172324 in words is "twenty-five million, one hundred seventy-two thousand, three hundred twenty-four".