25607216 has 10 divisors (see below), whose sum is σ = 49614012. Its totient is φ = 12803600.

The previous prime is 25607213. The next prime is 25607221. The reversal of 25607216 is 61270652.

It is a super-2 number, since 2×25607216² = 1311459022541312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25607213) 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 as a sum of consecutive naturals, namely, 800210 + ... + 800241.

Almost surely, 2^25607216 is an apocalyptic number.

It is an amenable number.

25607216 is a deficient number, since it is larger than the sum of its proper divisors (24006796).

25607216 is a wasteful number, since it uses less digits than its factorization.

25607216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600459 (or 1600453 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 25607216 is about 5060.3572996380. The cubic root of 25607216 is about 294.7502089265.

Adding to 25607216 its reverse (61270652), we get a palindrome (86877868).

The spelling of 25607216 in words is "twenty-five million, six hundred seven thousand, two hundred sixteen".