5290321 has 4 divisors (see below), whose sum is σ = 5337252. Its totient is φ = 5243392.

The previous prime is 5290309. The next prime is 5290331. The reversal of 5290321 is 1230925.

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 1638400 + 3651921 = 1280^2 + 1911^2 .

It is a cyclic number.

It is not a de Polignac number, because 5290321 - 2⁵ = 5290289 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

5290321 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5290292 and 5290301.

It is not an unprimeable number, because it can be changed into a prime (5290331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23296 + ... + 23521.

It is an arithmetic number, because the mean of its divisors is an integer number (1334313).

Almost surely, 2^5290321 is an apocalyptic number.

It is an amenable number.

5290321 is a deficient number, since it is larger than the sum of its proper divisors (46931).

5290321 is a wasteful number, since it uses less digits than its factorization.

5290321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46930.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 5290321 is about 2300.0697815501. The cubic root of 5290321 is about 174.2451404444.

The spelling of 5290321 in words is "five million, two hundred ninety thousand, three hundred twenty-one".