5320639 has 2 divisors, whose sum is σ = 5320640. Its totient is φ = 5320638.

The previous prime is 5320633. The next prime is 5320657. The reversal of 5320639 is 9360235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5320639 - 2³ = 5320631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5320631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660319 + 2660320.

It is an arithmetic number, because the mean of its divisors is an integer number (2660320).

Almost surely, 2^5320639 is an apocalyptic number.

5320639 is a deficient number, since it is larger than the sum of its proper divisors (1).

5320639 is an equidigital number, since it uses as much as digits as its factorization.

5320639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 5320639 is about 2306.6510355925. The cubic root of 5320639 is about 174.5773638017.

The spelling of 5320639 in words is "five million, three hundred twenty thousand, six hundred thirty-nine".