4545186725 has 12 divisors (see below), whose sum is σ = 5967563364. Its totient is φ = 3422257920.

The previous prime is 4545186713. The next prime is 4545186757. The reversal of 4545186725 is 5276815454.

It is a Cunningham number, because it is equal to 67418²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 1 + 4545186724 = 1^2 + 67418^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4545186725 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4545186725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5346854 + ... + 5347703.

It is an arithmetic number, because the mean of its divisors is an integer number (497296947).

Almost surely, 2^4545186725 is an apocalyptic number.

It is an amenable number.

4545186725 is a deficient number, since it is larger than the sum of its proper divisors (1422376639).

4545186725 is a wasteful number, since it uses less digits than its factorization.

4545186725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10694584 (or 10694579 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 47.

The square root of 4545186725 is about 67418.0000074164. Note that the first 5 decimals coincide. The cubic root of 4545186725 is about 1656.4712777099.

The spelling of 4545186725 in words is "four billion, five hundred forty-five million, one hundred eighty-six thousand, seven hundred twenty-five".