25825106 has 4 divisors (see below), whose sum is σ = 38737662. Its totient is φ = 12912552.

The previous prime is 25825099. The next prime is 25825117. The reversal of 25825106 is 60152852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14326225 + 11498881 = 3785^2 + 3391^2 .

It is a super-2 number, since 2×25825106² = 1333872199822472, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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, 6456275 + ... + 6456278.

Almost surely, 2^25825106 is an apocalyptic number.

25825106 is a deficient number, since it is larger than the sum of its proper divisors (12912556).

25825106 is a wasteful number, since it uses less digits than its factorization.

25825106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12912555.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 25825106 is about 5081.8408082111. The cubic root of 25825106 is about 295.5838518416.

Adding to 25825106 its reverse (60152852), we get a palindrome (85977958).

The spelling of 25825106 in words is "twenty-five million, eight hundred twenty-five thousand, one hundred six".