5321605 has 4 divisors (see below), whose sum is σ = 6385932. Its totient is φ = 4257280.

The previous prime is 5321597. The next prime is 5321611. The reversal of 5321605 is 5061235.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2056356 + 3265249 = 1434^2 + 1807^2 .

It is not a de Polignac number, because 5321605 - 2³ = 5321597 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532156 + ... + 532165.

It is an arithmetic number, because the mean of its divisors is an integer number (1596483).

Almost surely, 2^5321605 is an apocalyptic number.

It is an amenable number.

5321605 is a deficient number, since it is larger than the sum of its proper divisors (1064327).

5321605 is a wasteful number, since it uses less digits than its factorization.

5321605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064326.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 5321605 is about 2306.8604205716. The cubic root of 5321605 is about 174.5879284180.

The spelling of 5321605 in words is "five million, three hundred twenty-one thousand, six hundred five".