2547423065 has 16 divisors (see below), whose sum is σ = 3345693120. Its totient is φ = 1846624320.

The previous prime is 2547423061. The next prime is 2547423127. The reversal of 2547423065 is 5603247452.

It is not a de Polignac number, because 2547423065 - 2² = 2547423061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2547423061) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 58550 + ... + 92319.

It is an arithmetic number, because the mean of its divisors is an integer number (209105820).

Almost surely, 2^2547423065 is an apocalyptic number.

It is an amenable number.

2547423065 is a deficient number, since it is larger than the sum of its proper divisors (798270055).

2547423065 is a wasteful number, since it uses less digits than its factorization.

2547423065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151192.

The product of its (nonzero) digits is 201600, while the sum is 38.

The square root of 2547423065 is about 50472.0027837216. The cubic root of 2547423065 is about 1365.7368436030.

The spelling of 2547423065 in words is "two billion, five hundred forty-seven million, four hundred twenty-three thousand, sixty-five".