5321945 has 8 divisors (see below), whose sum is σ = 6491400. Its totient is φ = 4187520.

The previous prime is 5321903. The next prime is 5321959. The reversal of 5321945 is 5491235.

It can be written as a sum of positive squares in 4 ways, for example, as 712336 + 4609609 = 844^2 + 2147^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5321945 - 2⁸ = 5321689 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8420 + ... + 9029.

It is an arithmetic number, because the mean of its divisors is an integer number (811425).

Almost surely, 2^5321945 is an apocalyptic number.

It is an amenable number.

5321945 is a deficient number, since it is larger than the sum of its proper divisors (1169455).

5321945 is a wasteful number, since it uses less digits than its factorization.

5321945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17515.

The product of its digits is 5400, while the sum is 29.

The square root of 5321945 is about 2306.9341126265. The cubic root of 5321945 is about 174.5916465088.

The spelling of 5321945 in words is "five million, three hundred twenty-one thousand, nine hundred forty-five".