25772104 has 8 divisors (see below), whose sum is σ = 48322710. Its totient is φ = 12886048.

The previous prime is 25772101. The next prime is 25772111. The reversal of 25772104 is 40127752.

It can be written as a sum of positive squares in only one way, i.e., 24980004 + 792100 = 4998^2 + 890^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (25772101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610749 + ... + 1610764.

Almost surely, 2^25772104 is an apocalyptic number.

It is an amenable number.

25772104 is a deficient number, since it is larger than the sum of its proper divisors (22550606).

25772104 is a wasteful number, since it uses less digits than its factorization.

25772104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221519 (or 3221515 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 25772104 is about 5076.6232871861. The cubic root of 25772104 is about 295.3815001035.

Adding to 25772104 its reverse (40127752), we get a palindrome (65899856).

It can be divided in two parts, 257 and 72104, that added together give a square (72361 = 269²).

The spelling of 25772104 in words is "twenty-five million, seven hundred seventy-two thousand, one hundred four".