5111605 has 8 divisors (see below), whose sum is σ = 6166872. Its totient is φ = 4067328.

The previous prime is 5111599. The next prime is 5111641. The reversal of 5111605 is 5061115.

It can be written as a sum of positive squares in 4 ways, for example, as 625681 + 4485924 = 791^2 + 2118^2 .

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 5111605 - 2¹¹ = 5109557 is a prime.

It is a super-2 number, since 2×5111605² = 52257011352050, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1684 + ... + 3613.

It is an arithmetic number, because the mean of its divisors is an integer number (770859).

Almost surely, 2^5111605 is an apocalyptic number.

It is an amenable number.

5111605 is a deficient number, since it is larger than the sum of its proper divisors (1055267).

5111605 is a wasteful number, since it uses less digits than its factorization.

5111605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5495.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 5111605 is about 2260.8858883190. The cubic root of 5111605 is about 172.2605232578.

It can be divided in two parts, 511 and 1605, that added together give a square (2116 = 46²).

The spelling of 5111605 in words is "five million, one hundred eleven thousand, six hundred five".