2577134243 has 4 divisors (see below), whose sum is σ = 2577424128. Its totient is φ = 2576844360.

The previous prime is 2577134233. The next prime is 2577134309. The reversal of 2577134243 is 3424317752.

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

It is a cyclic number.

It is not a de Polignac number, because 2577134243 - 2¹⁰ = 2577133219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2577134197 and 2577134206.

It is not an unprimeable number, because it can be changed into a prime (2577134233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131171 + ... + 149532.

It is an arithmetic number, because the mean of its divisors is an integer number (644356032).

Almost surely, 2^2577134243 is an apocalyptic number.

2577134243 is a deficient number, since it is larger than the sum of its proper divisors (289885).

2577134243 is an equidigital number, since it uses as much as digits as its factorization.

2577134243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289884.

The product of its digits is 141120, while the sum is 38.

The square root of 2577134243 is about 50765.4827909673. The cubic root of 2577134243 is about 1371.0259675875.

The spelling of 2577134243 in words is "two billion, five hundred seventy-seven million, one hundred thirty-four thousand, two hundred forty-three".