5256705742 has 4 divisors (see below), whose sum is σ = 7885058616. Its totient is φ = 2628352870.

The previous prime is 5256705697. The next prime is 5256705757. The reversal of 5256705742 is 2475076525.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1314176434 + ... + 1314176437.

It is an arithmetic number, because the mean of its divisors is an integer number (1971264654).

Almost surely, 2^5256705742 is an apocalyptic number.

5256705742 is a deficient number, since it is larger than the sum of its proper divisors (2628352874).

5256705742 is a wasteful number, since it uses less digits than its factorization.

5256705742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628352873.

The product of its (nonzero) digits is 588000, while the sum is 43.

The square root of 5256705742 is about 72503.1429801495. The cubic root of 5256705742 is about 1738.7529865920.

The spelling of 5256705742 in words is "five billion, two hundred fifty-six million, seven hundred five thousand, seven hundred forty-two".