5105945 has 8 divisors (see below), whose sum is σ = 6598536. Its totient is φ = 3770496.

The previous prime is 5105923. The next prime is 5105951. The reversal of 5105945 is 5495015.

It can be written as a sum of positive squares in 4 ways, for example, as 52441 + 5053504 = 229^2 + 2248^2 .

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 5105945 - 2¹⁰ = 5104921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39212 + ... + 39341.

It is an arithmetic number, because the mean of its divisors is an integer number (824817).

Almost surely, 2^5105945 is an apocalyptic number.

It is an amenable number.

5105945 is a deficient number, since it is larger than the sum of its proper divisors (1492591).

5105945 is a wasteful number, since it uses less digits than its factorization.

5105945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78571.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 5105945 is about 2259.6338198921. The cubic root of 5105945 is about 172.1969193181.

The spelling of 5105945 in words is "five million, one hundred five thousand, nine hundred forty-five".