5413645 has 4 divisors (see below), whose sum is σ = 6496380. Its totient is φ = 4330912.

The previous prime is 5413643. The next prime is 5413687. The reversal of 5413645 is 5463145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5463145 = 5 ⋅1092629.

It can be written as a sum of positive squares in 2 ways, for example, as 1425636 + 3988009 = 1194^2 + 1997^2 .

It is a cyclic number.

It is not a de Polignac number, because 5413645 - 2¹ = 5413643 is a prime.

It is a super-3 number, since 3×5413645³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5413643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541360 + ... + 541369.

It is an arithmetic number, because the mean of its divisors is an integer number (1624095).

Almost surely, 2^5413645 is an apocalyptic number.

It is an amenable number.

5413645 is a deficient number, since it is larger than the sum of its proper divisors (1082735).

5413645 is a wasteful number, since it uses less digits than its factorization.

5413645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082734.

The product of its digits is 7200, while the sum is 28.

The square root of 5413645 is about 2326.7240919370. The cubic root of 5413645 is about 175.5887111946.

It can be divided in two parts, 541 and 3645, that added together give a triangular number (4186 = T₉₁).

The spelling of 5413645 in words is "five million, four hundred thirteen thousand, six hundred forty-five".