25696144 has 10 divisors (see below), whose sum is σ = 49786310. Its totient is φ = 12848064.

The previous prime is 25696141. The next prime is 25696147. The reversal of 25696144 is 44169652.

It is an interprime number because it is at equal distance from previous prime (25696141) and next prime (25696147).

It can be written as a sum of positive squares in only one way, i.e., 16160400 + 9535744 = 4020^2 + 3088^2 .

It is not an unprimeable number, because it can be changed into a prime (25696141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802989 + ... + 803020.

It is an arithmetic number, because the mean of its divisors is an integer number (4978631).

Almost surely, 2^25696144 is an apocalyptic number.

It is an amenable number.

25696144 is a deficient number, since it is larger than the sum of its proper divisors (24090166).

25696144 is a wasteful number, since it uses less digits than its factorization.

25696144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606017 (or 1606011 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 25696144 is about 5069.1364156037. The cubic root of 25696144 is about 295.0910147206.

The spelling of 25696144 in words is "twenty-five million, six hundred ninety-six thousand, one hundred forty-four".