5313645 has 12 divisors (see below), whose sum is σ = 9210396. Its totient is φ = 2833920.

The previous prime is 5313631. The next prime is 5313647. The reversal of 5313645 is 5463135.

5313645 is a `hidden beast` number, since 5 + 3 + 13 + 645 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2223081 + 3090564 = 1491^2 + 1758^2 .

It is not a de Polignac number, because 5313645 - 2⁴ = 5313629 is a prime.

It is a super-3 number, since 3×5313645³ (a number of 21 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

5313645 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5313647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58996 + ... + 59085.

It is an arithmetic number, because the mean of its divisors is an integer number (767533).

Almost surely, 2^5313645 is an apocalyptic number.

It is an amenable number.

5313645 is a deficient number, since it is larger than the sum of its proper divisors (3896751).

5313645 is a wasteful number, since it uses less digits than its factorization.

5313645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118092 (or 118089 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 5313645 is about 2305.1344863153. The cubic root of 5313645 is about 174.5008360592.

The spelling of 5313645 in words is "five million, three hundred thirteen thousand, six hundred forty-five".