25712116 has 6 divisors (see below), whose sum is σ = 44996210. Its totient is φ = 12856056.

The previous prime is 25712101. The next prime is 25712117. The reversal of 25712116 is 61121752.

It can be written as a sum of positive squares in only one way, i.e., 25462116 + 250000 = 5046^2 + 500^2 .

It is a super-2 number, since 2×25712116² = 1322225818394912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25712117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214011 + ... + 3214018.

Almost surely, 2^25712116 is an apocalyptic number.

It is an amenable number.

25712116 is a deficient number, since it is larger than the sum of its proper divisors (19284094).

25712116 is a wasteful number, since it uses less digits than its factorization.

25712116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6428033 (or 6428031 counting only the distinct ones).

The product of its digits is 840, while the sum is 25.

The square root of 25712116 is about 5070.7115871444. The cubic root of 25712116 is about 295.1521421476.

Adding to 25712116 its reverse (61121752), we get a palindrome (86833868).

The spelling of 25712116 in words is "twenty-five million, seven hundred twelve thousand, one hundred sixteen".