4272061 has 4 divisors (see below), whose sum is σ = 4276252. Its totient is φ = 4267872.

The previous prime is 4272053. The next prime is 4272091. The reversal of 4272061 is 1602724.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1976836 + 2295225 = 1406^2 + 1515^2 .

It is a cyclic number.

It is not a de Polignac number, because 4272061 - 2³ = 4272053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4272001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535 + ... + 2971.

It is an arithmetic number, because the mean of its divisors is an integer number (1069063).

Almost surely, 2^4272061 is an apocalyptic number.

It is an amenable number.

4272061 is a deficient number, since it is larger than the sum of its proper divisors (4191).

4272061 is a wasteful number, since it uses less digits than its factorization.

4272061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 4272061 is about 2066.8964657186. The cubic root of 4272061 is about 162.2603773980.

Adding to 4272061 its reverse (1602724), we get a palindrome (5874785).

The spelling of 4272061 in words is "four million, two hundred seventy-two thousand, sixty-one".