25671316 has 24 divisors (see below), whose sum is σ = 49279104. Its totient is φ = 11604480.

The previous prime is 25671311. The next prime is 25671323. The reversal of 25671316 is 61317652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25671311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6981 + ... + 10003.

It is an arithmetic number, because the mean of its divisors is an integer number (2053296).

Almost surely, 2^25671316 is an apocalyptic number.

It is an amenable number.

25671316 is a deficient number, since it is larger than the sum of its proper divisors (23607788).

25671316 is a wasteful number, since it uses less digits than its factorization.

25671316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231 (or 3229 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 25671316 is about 5066.6868859246. The cubic root of 25671316 is about 294.9959436386.

Adding to 25671316 its reverse (61317652), we get a palindrome (86988968).

It can be divided in two parts, 2567 and 1316, that added together give a palindrome (3883).

The spelling of 25671316 in words is "twenty-five million, six hundred seventy-one thousand, three hundred sixteen".