4509263 has 4 divisors (see below), whose sum is σ = 4919208. Its totient is φ = 4099320.

The previous prime is 4509259. The next prime is 4509269. The reversal of 4509263 is 3629054.

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 4509263 - 2² = 4509259 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 (4509269) 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, 204956 + ... + 204977.

It is an arithmetic number, because the mean of its divisors is an integer number (1229802).

Almost surely, 2^4509263 is an apocalyptic number.

4509263 is a deficient number, since it is larger than the sum of its proper divisors (409945).

4509263 is a wasteful number, since it uses less digits than its factorization.

4509263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409944.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 4509263 is about 2123.5025311970. The cubic root of 4509263 is about 165.2095653696.

The spelling of 4509263 in words is "four million, five hundred nine thousand, two hundred sixty-three".