547157 has 4 divisors (see below), whose sum is σ = 589260. Its totient is φ = 505056.

The previous prime is 547139. The next prime is 547171. The reversal of 547157 is 751745.

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

It can be written as a sum of positive squares in 2 ways, for example, as 358801 + 188356 = 599^2 + 434^2 .

It is a cyclic number.

It is not a de Polignac number, because 547157 - 2⁶ = 547093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 547157.

It is not an unprimeable number, because it can be changed into a prime (547357) 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, 21032 + ... + 21057.

It is an arithmetic number, because the mean of its divisors is an integer number (147315).

547157 is a Friedman number, since it can be written as 7*(41+5^7)-5, using all its digits and the basic arithmetic operations.

2⁵⁴⁷¹⁵⁷ is an apocalyptic number.

It is an amenable number.

547157 is a deficient number, since it is larger than the sum of its proper divisors (42103).

547157 is a wasteful number, since it uses less digits than its factorization.

547157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42102.

The product of its digits is 4900, while the sum is 29.

The square root of 547157 is about 739.7006151140. The cubic root of 547157 is about 81.7907115786.

The spelling of 547157 in words is "five hundred forty-seven thousand, one hundred fifty-seven".