7001339 has 4 divisors (see below), whose sum is σ = 7044456. Its totient is φ = 6958224.

The previous prime is 7001327. The next prime is 7001341. The reversal of 7001339 is 9331007.

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

It is a cyclic number.

It is not a de Polignac number, because 7001339 - 2⁸ = 7001083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7001359) 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, 21314 + ... + 21639.

It is an arithmetic number, because the mean of its divisors is an integer number (1761114).

Almost surely, 2^7001339 is an apocalyptic number.

7001339 is a deficient number, since it is larger than the sum of its proper divisors (43117).

7001339 is a wasteful number, since it uses less digits than its factorization.

7001339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43116.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 7001339 is about 2646.0043461793. The cubic root of 7001339 is about 191.3053147132.

Subtracting from 7001339 its sum of digits (23), we obtain a square (7001316 = 2646²).

The spelling of 7001339 in words is "seven million, one thousand, three hundred thirty-nine".