4557047 has 4 divisors (see below), whose sum is σ = 4971336. Its totient is φ = 4142760.

The previous prime is 4557043. The next prime is 4557053. The reversal of 4557047 is 7407554.

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 4557047 - 2² = 4557043 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4557041) 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, 207128 + ... + 207149.

It is an arithmetic number, because the mean of its divisors is an integer number (1242834).

Almost surely, 2^4557047 is an apocalyptic number.

4557047 is a deficient number, since it is larger than the sum of its proper divisors (414289).

4557047 is a wasteful number, since it uses less digits than its factorization.

4557047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414288.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 4557047 is about 2134.7241039535. The cubic root of 4557047 is about 165.7910832888.

The spelling of 4557047 in words is "four million, five hundred fifty-seven thousand, forty-seven".