25103216 has 10 divisors (see below), whose sum is σ = 48637512. Its totient is φ = 12551600.

The previous prime is 25103191. The next prime is 25103219. The reversal of 25103216 is 61230152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25103219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 784460 + ... + 784491.

Almost surely, 2^25103216 is an apocalyptic number.

It is an amenable number.

25103216 is a deficient number, since it is larger than the sum of its proper divisors (23534296).

25103216 is a wasteful number, since it uses less digits than its factorization.

25103216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568959 (or 1568953 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 25103216 is about 5010.3109683931. The cubic root of 25103216 is about 292.8036285097.

Adding to 25103216 its reverse (61230152), we get a palindrome (86333368).

The spelling of 25103216 in words is "twenty-five million, one hundred three thousand, two hundred sixteen".