4521099 has 16 divisors (see below), whose sum is σ = 6963840. Its totient is φ = 2578560.

The previous prime is 4521079. The next prime is 4521103. The reversal of 4521099 is 9901254.

It is a happy number.

It is not a de Polignac number, because 4521099 - 2⁸ = 4520843 is a prime.

4521099 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4521079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3469 + ... + 4590.

It is an arithmetic number, because the mean of its divisors is an integer number (435240).

Almost surely, 2^4521099 is an apocalyptic number.

4521099 is a deficient number, since it is larger than the sum of its proper divisors (2442741).

4521099 is a wasteful number, since it uses less digits than its factorization.

4521099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8090.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 4521099 is about 2126.2876098966. The cubic root of 4521099 is about 165.3539874944.

It can be divided in two parts, 452 and 1099, that added together give a palindrome (1551).

The spelling of 4521099 in words is "four million, five hundred twenty-one thousand, ninety-nine".