5940509 has 4 divisors (see below), whose sum is σ = 6198816. Its totient is φ = 5682204.

The previous prime is 5940503. The next prime is 5940541. The reversal of 5940509 is 9050495.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5940509 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 (5940503) 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, 129119 + ... + 129164.

It is an arithmetic number, because the mean of its divisors is an integer number (1549704).

Almost surely, 2^5940509 is an apocalyptic number.

It is an amenable number.

5940509 is a deficient number, since it is larger than the sum of its proper divisors (258307).

5940509 is a wasteful number, since it uses less digits than its factorization.

5940509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258306.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 5940509 is about 2437.3159417687. The cubic root of 5940509 is about 181.1094949135.

The spelling of 5940509 in words is "five million, nine hundred forty thousand, five hundred nine".