5125805 has 4 divisors (see below), whose sum is σ = 6150972. Its totient is φ = 4100640.

The previous prime is 5125787. The next prime is 5125807. The reversal of 5125805 is 5085215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5085215 = 5 ⋅1017043.

It can be written as a sum of positive squares in 2 ways, for example, as 724201 + 4401604 = 851^2 + 2098^2 .

It is not a de Polignac number, because 5125805 - 2¹⁰ = 5124781 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5125807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512576 + ... + 512585.

It is an arithmetic number, because the mean of its divisors is an integer number (1537743).

Almost surely, 2^5125805 is an apocalyptic number.

It is an amenable number.

5125805 is a deficient number, since it is larger than the sum of its proper divisors (1025167).

5125805 is a wasteful number, since it uses less digits than its factorization.

5125805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025166.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 5125805 is about 2264.0240723102. The cubic root of 5125805 is about 172.4198885868.

The spelling of 5125805 in words is "five million, one hundred twenty-five thousand, eight hundred five".