4273257545 has 4 divisors (see below), whose sum is σ = 5127909060. Its totient is φ = 3418606032.

The previous prime is 4273257533. The next prime is 4273257563. The reversal of 4273257545 is 5457523724.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1766352784 + 2506904761 = 42028^2 + 50069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4273257545 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4273257496 and 4273257505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427325750 + ... + 427325759.

It is an arithmetic number, because the mean of its divisors is an integer number (1281977265).

Almost surely, 2^4273257545 is an apocalyptic number.

It is an amenable number.

4273257545 is a deficient number, since it is larger than the sum of its proper divisors (854651515).

4273257545 is an equidigital number, since it uses as much as digits as its factorization.

4273257545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854651514.

The product of its digits is 1176000, while the sum is 44.

The square root of 4273257545 is about 65370.1579086360. The cubic root of 4273257545 is about 1622.7552494389.

The spelling of 4273257545 in words is "four billion, two hundred seventy-three million, two hundred fifty-seven thousand, five hundred forty-five".