272521012697 has 4 divisors (see below), whose sum is σ = 272526734820. Its totient is φ = 272515290576.

The previous prime is 272521012669. The next prime is 272521012711. The reversal of 272521012697 is 796210125272.

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 230456643481 + 42064369216 = 480059^2 + 205096^2 .

It is a cyclic number.

It is not a de Polignac number, because 272521012697 - 2¹⁶ = 272520947161 is a prime.

It is a super-2 number, since 2×272521012697² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272521072697) 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, 2789018 + ... + 2885075.

It is an arithmetic number, because the mean of its divisors is an integer number (68131683705).

Almost surely, 2^272521012697 is an apocalyptic number.

It is an amenable number.

272521012697 is a deficient number, since it is larger than the sum of its proper divisors (5722123).

272521012697 is an equidigital number, since it uses as much as digits as its factorization.

272521012697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5722122.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 272521012697 in words is "two hundred seventy-two billion, five hundred twenty-one million, twelve thousand, six hundred ninety-seven".