2547530164 has 6 divisors (see below), whose sum is σ = 4458177794. Its totient is φ = 1273765080.

The previous prime is 2547530159. The next prime is 2547530221. The reversal of 2547530164 is 4610357452.

It can be written as a sum of positive squares in only one way, i.e., 1542132900 + 1005397264 = 39270^2 + 31708^2 .

It is a congruent 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 as a sum of consecutive naturals, namely, 318441267 + ... + 318441274.

Almost surely, 2^2547530164 is an apocalyptic number.

It is an amenable number.

2547530164 is a deficient number, since it is larger than the sum of its proper divisors (1910647630).

2547530164 is a wasteful number, since it uses less digits than its factorization.

2547530164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636882545 (or 636882543 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 2547530164 is about 50473.0637469136. The cubic root of 2547530164 is about 1365.7559828137.

The spelling of 2547530164 in words is "two billion, five hundred forty-seven million, five hundred thirty thousand, one hundred sixty-four".