25080136 has 8 divisors (see below), whose sum is σ = 47025270. Its totient is φ = 12540064.

The previous prime is 25080131. The next prime is 25080149. The reversal of 25080136 is 63108052.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20196036 + 4884100 = 4494^2 + 2210^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 25080136.

It is not an unprimeable number, because it can be changed into a prime (25080131) 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 as a sum of consecutive naturals, namely, 1567501 + ... + 1567516.

Almost surely, 2^25080136 is an apocalyptic number.

It is an amenable number.

25080136 is a deficient number, since it is larger than the sum of its proper divisors (21945134).

25080136 is a wasteful number, since it uses less digits than its factorization.

25080136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135023 (or 3135019 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 25080136 is about 5008.0071884932. The cubic root of 25080136 is about 292.7138660414.

Adding to 25080136 its reverse (63108052), we get a palindrome (88188188).

The spelling of 25080136 in words is "twenty-five million, eighty thousand, one hundred thirty-six".