25012612 has 12 divisors (see below), whose sum is σ = 44051980. Its totient is φ = 12426336.

The previous prime is 25012597. The next prime is 25012613. The reversal of 25012612 is 21621052.

25012612 is nontrivially palindromic in base 5.

It can be written as a sum of positive squares in 2 ways, for example, as 16451136 + 8561476 = 4056^2 + 2926^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25012612.

It is not an unprimeable number, because it can be changed into a prime (25012613) 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 3 ways as a sum of consecutive naturals, for example, 19287 + ... + 20542.

Almost surely, 2^25012612 is an apocalyptic number.

It is an amenable number.

25012612 is a deficient number, since it is larger than the sum of its proper divisors (19039368).

25012612 is a wasteful number, since it uses less digits than its factorization.

25012612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39990 (or 39988 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 25012612 is about 5001.2610409776. The cubic root of 25012612 is about 292.4509358374.

Adding to 25012612 its reverse (21621052), we get a palindrome (46633664).

The spelling of 25012612 in words is "twenty-five million, twelve thousand, six hundred twelve".