4557506 has 4 divisors (see below), whose sum is σ = 6836262. Its totient is φ = 2278752.

The previous prime is 4557499. The next prime is 4557521. The reversal of 4557506 is 6057554.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 3367225 + 1190281 = 1835^2 + 1091^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1139375 + ... + 1139378.

Almost surely, 2^4557506 is an apocalyptic number.

4557506 is a deficient number, since it is larger than the sum of its proper divisors (2278756).

4557506 is a wasteful number, since it uses less digits than its factorization.

4557506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278755.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 4557506 is about 2134.8316092844. The cubic root of 4557506 is about 165.7966494337.

The spelling of 4557506 in words is "four million, five hundred fifty-seven thousand, five hundred six".