4977509 has 4 divisors (see below), whose sum is σ = 4982220. Its totient is φ = 4972800.

The previous prime is 4977493. The next prime is 4977517. The reversal of 4977509 is 9057794.

It is a happy number.

4977509 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3422500 + 1555009 = 1850^2 + 1247^2 .

It is a cyclic number.

It is not a de Polignac number, because 4977509 - 2⁴ = 4977493 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 (4977529) 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, 47 + ... + 3155.

It is an arithmetic number, because the mean of its divisors is an integer number (1245555).

Almost surely, 2^4977509 is an apocalyptic number.

It is an amenable number.

4977509 is a deficient number, since it is larger than the sum of its proper divisors (4711).

4977509 is a wasteful number, since it uses less digits than its factorization.

4977509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4710.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 4977509 is about 2231.0331687360. The cubic root of 4977509 is about 170.7408154738.

The spelling of 4977509 in words is "four million, nine hundred seventy-seven thousand, five hundred nine".