2525303218 has 4 divisors (see below), whose sum is σ = 3787954830. Its totient is φ = 1262651608.

The previous prime is 2525303203. The next prime is 2525303251. The reversal of 2525303218 is 8123035252.

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., 2092788009 + 432515209 = 45747^2 + 20797^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2525303218.

It is an unprimeable number.

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, 631325803 + ... + 631325806.

Almost surely, 2^2525303218 is an apocalyptic number.

2525303218 is a deficient number, since it is larger than the sum of its proper divisors (1262651612).

2525303218 is a wasteful number, since it uses less digits than its factorization.

2525303218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262651611.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2525303218 is about 50252.3951468982. The cubic root of 2525303218 is about 1361.7723465050.

The spelling of 2525303218 in words is "two billion, five hundred twenty-five million, three hundred three thousand, two hundred eighteen".