5135645 has 4 divisors (see below), whose sum is σ = 6162780. Its totient is φ = 4108512.

The previous prime is 5135621. The next prime is 5135653. The reversal of 5135645 is 5465315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5465315 = 5 ⋅1093063.

It can be written as a sum of positive squares in 2 ways, for example, as 1301881 + 3833764 = 1141^2 + 1958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5135645 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 513560 + ... + 513569.

It is an arithmetic number, because the mean of its divisors is an integer number (1540695).

Almost surely, 2^5135645 is an apocalyptic number.

It is an amenable number.

5135645 is a deficient number, since it is larger than the sum of its proper divisors (1027135).

5135645 is a wasteful number, since it uses less digits than its factorization.

5135645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027134.

The product of its digits is 9000, while the sum is 29.

The square root of 5135645 is about 2266.1961521457. The cubic root of 5135645 is about 172.5301494596.

The spelling of 5135645 in words is "five million, one hundred thirty-five thousand, six hundred forty-five".