4620509 has 4 divisors (see below), whose sum is σ = 4629504. Its totient is φ = 4611516.

The previous prime is 4620503. The next prime is 4620529. The reversal of 4620509 is 9050264.

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 not a de Polignac number, because 4620509 - 2¹² = 4616413 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 (4620503) 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, 3677 + ... + 4770.

It is an arithmetic number, because the mean of its divisors is an integer number (1157376).

Almost surely, 2^4620509 is an apocalyptic number.

It is an amenable number.

4620509 is a deficient number, since it is larger than the sum of its proper divisors (8995).

4620509 is an equidigital number, since it uses as much as digits as its factorization.

4620509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8994.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 4620509 is about 2149.5369268752. The cubic root of 4620509 is about 166.5571471597.

The spelling of 4620509 in words is "four million, six hundred twenty thousand, five hundred nine".