5127805 has 4 divisors (see below), whose sum is σ = 6153372. Its totient is φ = 4102240.

The previous prime is 5127797. The next prime is 5127839. The reversal of 5127805 is 5087215.

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 1483524 + 3644281 = 1218^2 + 1909^2 .

It is not a de Polignac number, because 5127805 - 2³ = 5127797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512776 + ... + 512785.

It is an arithmetic number, because the mean of its divisors is an integer number (1538343).

Almost surely, 2^5127805 is an apocalyptic number.

It is an amenable number.

5127805 is a deficient number, since it is larger than the sum of its proper divisors (1025567).

5127805 is a wasteful number, since it uses less digits than its factorization.

5127805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025566.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 5127805 is about 2264.4657206502. The cubic root of 5127805 is about 172.4423107518.

The spelling of 5127805 in words is "five million, one hundred twenty-seven thousand, eight hundred five".