272528133 has 4 divisors (see below), whose sum is σ = 363370848. Its totient is φ = 181685420.

The previous prime is 272528129. The next prime is 272528147. The reversal of 272528133 is 331825272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 272528133 - 2² = 272528129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 272528094 and 272528103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272521133) 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, 45421353 + ... + 45421358.

It is an arithmetic number, because the mean of its divisors is an integer number (90842712).

Almost surely, 2^272528133 is an apocalyptic number.

It is an amenable number.

272528133 is a deficient number, since it is larger than the sum of its proper divisors (90842715).

272528133 is an equidigital number, since it uses as much as digits as its factorization.

272528133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90842714.

The product of its digits is 20160, while the sum is 33.

The square root of 272528133 is about 16508.4261212267. The cubic root of 272528133 is about 648.3414386209.

The spelling of 272528133 in words is "two hundred seventy-two million, five hundred twenty-eight thousand, one hundred thirty-three".