4527161 has 4 divisors (see below), whose sum is σ = 4683300. Its totient is φ = 4371024.

The previous prime is 4527157. The next prime is 4527197. The reversal of 4527161 is 1617254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1617254 = 2 ⋅808627.

It can be written as a sum of positive squares in 2 ways, for example, as 2755600 + 1771561 = 1660^2 + 1331^2 .

It is a cyclic number.

It is not a de Polignac number, because 4527161 - 2² = 4527157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4527161.

It is not an unprimeable number, because it can be changed into a prime (4527361) 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, 78026 + ... + 78083.

It is an arithmetic number, because the mean of its divisors is an integer number (1170825).

Almost surely, 2^4527161 is an apocalyptic number.

It is an amenable number.

4527161 is a deficient number, since it is larger than the sum of its proper divisors (156139).

4527161 is a wasteful number, since it uses less digits than its factorization.

4527161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156138.

The product of its digits is 1680, while the sum is 26.

The square root of 4527161 is about 2127.7126215728. The cubic root of 4527161 is about 165.4278580439.

The spelling of 4527161 in words is "four million, five hundred twenty-seven thousand, one hundred sixty-one".