25200002 has 4 divisors (see below), whose sum is σ = 37800006. Its totient is φ = 12600000.

The previous prime is 25199983. The next prime is 25200011. The reversal of 25200002 is 20000252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23609881 + 1590121 = 4859^2 + 1261^2 .

It is an unprimeable number.

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, 6299999 + ... + 6300002.

Almost surely, 2^25200002 is an apocalyptic number.

25200002 is a deficient number, since it is larger than the sum of its proper divisors (12600004).

25200002 is a wasteful number, since it uses less digits than its factorization.

25200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12600003.

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 25200002 is about 5019.9603584092. The cubic root of 25200002 is about 293.1794495317.

Adding to 25200002 its reverse (20000252), we get a palindrome (45200254).

The spelling of 25200002 in words is "twenty-five million, two hundred thousand, two".