5112561 has 4 divisors (see below), whose sum is σ = 6816752. Its totient is φ = 3408372.

The previous prime is 5112553. The next prime is 5112581. The reversal of 5112561 is 1652115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5112561 - 2³ = 5112553 is a prime.

It is a super-2 number, since 2×5112561² = 52276559957442, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5112511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852091 + ... + 852096.

It is an arithmetic number, because the mean of its divisors is an integer number (1704188).

Almost surely, 2^5112561 is an apocalyptic number.

It is an amenable number.

5112561 is a deficient number, since it is larger than the sum of its proper divisors (1704191).

5112561 is a wasteful number, since it uses less digits than its factorization.

5112561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704190.

The product of its digits is 300, while the sum is 21.

The square root of 5112561 is about 2261.0972999851. The cubic root of 5112561 is about 172.2712616198.

Adding to 5112561 its reverse (1652115), we get a palindrome (6764676).

The spelling of 5112561 in words is "five million, one hundred twelve thousand, five hundred sixty-one".