25305050 has 12 divisors (see below), whose sum is σ = 47067486. Its totient is φ = 10122000.

The previous prime is 25305013. The next prime is 25305053. The reversal of 25305050 is 5050352.

It can be written as a sum of positive squares in 3 ways, for example, as 11607649 + 13697401 = 3407^2 + 3701^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25305053) 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 5 ways as a sum of consecutive naturals, for example, 253001 + ... + 253100.

Almost surely, 2^25305050 is an apocalyptic number.

25305050 is a deficient number, since it is larger than the sum of its proper divisors (21762436).

25305050 is a wasteful number, since it uses less digits than its factorization.

25305050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506113 (or 506108 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 25305050 is about 5030.4125079361. The cubic root of 25305050 is about 293.5862645684.

The spelling of 25305050 in words is "twenty-five million, three hundred five thousand, fifty".