272545431 has 8 divisors (see below), whose sum is σ = 363479424. Its totient is φ = 181654200.

The previous prime is 272545421. The next prime is 272545447. The reversal of 272545431 is 134545272.

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

It is not a de Polignac number, because 272545431 - 2⁷ = 272545303 is a prime.

It is a super-2 number, since 2×272545431² = 148562023917951522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 272545392 and 272545401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272545421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9790 + ... + 25316.

It is an arithmetic number, because the mean of its divisors is an integer number (45434928).

Almost surely, 2^272545431 is an apocalyptic number.

272545431 is a deficient number, since it is larger than the sum of its proper divisors (90933993).

272545431 is a wasteful number, since it uses less digits than its factorization.

272545431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21381.

The product of its digits is 33600, while the sum is 33.

The square root of 272545431 is about 16508.9500271822. The cubic root of 272545431 is about 648.3551555814.

The spelling of 272545431 in words is "two hundred seventy-two million, five hundred forty-five thousand, four hundred thirty-one".