25161326 has 16 divisors (see below), whose sum is σ = 40719024. Its totient is φ = 11616384.

The previous prime is 25161307. The next prime is 25161329. The reversal of 25161326 is 62316152.

It is a junction number, because it is equal to n+sod(n) for n = 25161295 and 25161304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25161329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5180 + ... + 8783.

It is an arithmetic number, because the mean of its divisors is an integer number (2544939).

Almost surely, 2^25161326 is an apocalyptic number.

25161326 is a deficient number, since it is larger than the sum of its proper divisors (15557698).

25161326 is a wasteful number, since it uses less digits than its factorization.

25161326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14035.

The product of its digits is 2160, while the sum is 26.

The square root of 25161326 is about 5016.1066575582. The cubic root of 25161326 is about 293.0293858633.

Adding to 25161326 its reverse (62316152), we get a palindrome (87477478).

The spelling of 25161326 in words is "twenty-five million, one hundred sixty-one thousand, three hundred twenty-six".