272925409 has 4 divisors (see below), whose sum is σ = 282336660. Its totient is φ = 263514160.

The previous prime is 272925391. The next prime is 272925421. The reversal of 272925409 is 904529272.

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 157577809 + 115347600 = 12553^2 + 10740^2 .

It is a cyclic number.

It is not a de Polignac number, because 272925409 - 2⁷ = 272925281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272925449) 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, 4705582 + ... + 4705639.

It is an arithmetic number, because the mean of its divisors is an integer number (70584165).

Almost surely, 2^272925409 is an apocalyptic number.

272925409 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

272925409 is a deficient number, since it is larger than the sum of its proper divisors (9411251).

272925409 is an equidigital number, since it uses as much as digits as its factorization.

272925409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9411250.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 272925409 is about 16520.4542613089. The cubic root of 272925409 is about 648.6563240783.

The spelling of 272925409 in words is "two hundred seventy-two million, nine hundred twenty-five thousand, four hundred nine".