4545252025 has 12 divisors (see below), whose sum is σ = 5640545232. Its totient is φ = 3633341840.

The previous prime is 4545252011. The next prime is 4545252053. The reversal of 4545252025 is 5202525454.

It is not a de Polignac number, because 4545252025 - 2²⁷ = 4411034297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38779 + ... + 102928.

It is an arithmetic number, because the mean of its divisors is an integer number (470045436).

Almost surely, 2^4545252025 is an apocalyptic number.

It is an amenable number.

4545252025 is a deficient number, since it is larger than the sum of its proper divisors (1095293207).

4545252025 is a wasteful number, since it uses less digits than its factorization.

4545252025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143000 (or 142995 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 34.

The square root of 4545252025 is about 67418.4842977058. The cubic root of 4545252025 is about 1656.4792104281.

Adding to 4545252025 its reverse (5202525454), we get a palindrome (9747777479).

The spelling of 4545252025 in words is "four billion, five hundred forty-five million, two hundred fifty-two thousand, twenty-five".