4900509 has 6 divisors (see below), whose sum is σ = 7078526. Its totient is φ = 3267000.

The previous prime is 4900501. The next prime is 4900513. The reversal of 4900509 is 9050094.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4536900 + 363609 = 2130^2 + 603^2 .

It is not a de Polignac number, because 4900509 - 2³ = 4900501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4900501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 272242 + ... + 272259.

Almost surely, 2^4900509 is an apocalyptic number.

It is an amenable number.

4900509 is a deficient number, since it is larger than the sum of its proper divisors (2178017).

4900509 is a wasteful number, since it uses less digits than its factorization.

4900509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544507 (or 544504 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 4900509 is about 2213.7093305129. The cubic root of 4900509 is about 169.8558062186.

The spelling of 4900509 in words is "four million, nine hundred thousand, five hundred nine".