5100665 has 12 divisors (see below), whose sum is σ = 6344364. Its totient is φ = 3936576.

The previous prime is 5100661. The next prime is 5100671. The reversal of 5100665 is 5660015.

It can be written as a sum of positive squares in 6 ways, for example, as 559504 + 4541161 = 748^2 + 2131^2 .

It is not a de Polignac number, because 5100665 - 2² = 5100661 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5100665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5100661) 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 11 ways as a sum of consecutive naturals, for example, 3599 + ... + 4811.

It is an arithmetic number, because the mean of its divisors is an integer number (528697).

Almost surely, 2^5100665 is an apocalyptic number.

It is an amenable number.

5100665 is a deficient number, since it is larger than the sum of its proper divisors (1243699).

5100665 is a wasteful number, since it uses less digits than its factorization.

5100665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276 (or 1247 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 5100665 is about 2258.4651868028. The cubic root of 5100665 is about 172.1375432175.

The spelling of 5100665 in words is "five million, one hundred thousand, six hundred sixty-five".