5111649 has 6 divisors (see below), whose sum is σ = 7383506. Its totient is φ = 3407760.

The previous prime is 5111647. The next prime is 5111651. The reversal of 5111649 is 9461115.

5111649 is a `hidden beast` number, since 5 + 1 + 11 + 649 = 666.

It is an interprime number because it is at equal distance from previous prime (5111647) and next prime (5111651).

It can be written as a sum of positive squares in only one way, i.e., 3038049 + 2073600 = 1743^2 + 1440^2 .

It is not a de Polignac number, because 5111649 - 2¹ = 5111647 is a prime.

It is a super-2 number, since 2×5111649² = 52257910998402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5111641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283972 + ... + 283989.

Almost surely, 2^5111649 is an apocalyptic number.

It is an amenable number.

5111649 is a deficient number, since it is larger than the sum of its proper divisors (2271857).

5111649 is a wasteful number, since it uses less digits than its factorization.

5111649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567967 (or 567964 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 5111649 is about 2260.8956189970. The cubic root of 5111649 is about 172.2610175214.

The spelling of 5111649 in words is "five million, one hundred eleven thousand, six hundred forty-nine".