4521206 has 4 divisors (see below), whose sum is σ = 6781812. Its totient is φ = 2260602.

The previous prime is 4521173. The next prime is 4521217. The reversal of 4521206 is 6021254.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×4521206³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130300 + ... + 1130303.

It is an arithmetic number, because the mean of its divisors is an integer number (1695453).

Almost surely, 2^4521206 is an apocalyptic number.

4521206 is a deficient number, since it is larger than the sum of its proper divisors (2260606).

4521206 is a wasteful number, since it uses less digits than its factorization.

4521206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260605.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 4521206 is about 2126.3127709723. The cubic root of 4521206 is about 165.3552919514.

The spelling of 4521206 in words is "four million, five hundred twenty-one thousand, two hundred six".