5100905 has 8 divisors (see below), whose sum is σ = 6157512. Its totient is φ = 4056448.

The previous prime is 5100899. The next prime is 5100913. The reversal of 5100905 is 5090015.

It can be written as a sum of positive squares in 4 ways, for example, as 2679769 + 2421136 = 1637^2 + 1556^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5100905 - 2⁴ = 5100889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2084 + ... + 3813.

It is an arithmetic number, because the mean of its divisors is an integer number (769689).

Almost surely, 2^5100905 is an apocalyptic number.

It is an amenable number.

5100905 is a deficient number, since it is larger than the sum of its proper divisors (1056607).

5100905 is a wasteful number, since it uses less digits than its factorization.

5100905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6075.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 5100905 is about 2258.5183196069. The cubic root of 5100905 is about 172.1402430199.

The spelling of 5100905 in words is "five million, one hundred thousand, nine hundred five".