4272530161 has 8 divisors (see below), whose sum is σ = 4325680800. Its totient is φ = 4219419552.

The previous prime is 4272530123. The next prime is 4272530189. The reversal of 4272530161 is 1610352724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4272530161 - 2⁷ = 4272530033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4272560161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244626 + ... + 261508.

It is an arithmetic number, because the mean of its divisors is an integer number (540710100).

Almost surely, 2^4272530161 is an apocalyptic number.

It is an amenable number.

4272530161 is a deficient number, since it is larger than the sum of its proper divisors (53150639).

4272530161 is a wasteful number, since it uses less digits than its factorization.

4272530161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20015.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 4272530161 is about 65364.5940934387. The cubic root of 4272530161 is about 1622.6631703344.

Adding to 4272530161 its reverse (1610352724), we get a palindrome (5882882885).

The spelling of 4272530161 in words is "four billion, two hundred seventy-two million, five hundred thirty thousand, one hundred sixty-one".