272453449 has 2 divisors, whose sum is σ = 272453450. Its totient is φ = 272453448.

The previous prime is 272453429. The next prime is 272453453. The reversal of 272453449 is 944354272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233478400 + 38975049 = 15280^2 + 6243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272453449 is a prime.

It is not a weakly prime, because it can be changed into another prime (272453429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136226724 + 136226725.

It is an arithmetic number, because the mean of its divisors is an integer number (136226725).

Almost surely, 2^272453449 is an apocalyptic number.

It is an amenable number.

272453449 is a deficient number, since it is larger than the sum of its proper divisors (1).

272453449 is an equidigital number, since it uses as much as digits as its factorization.

272453449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 40.

The square root of 272453449 is about 16506.1639698629. The cubic root of 272453449 is about 648.2822090712.

The spelling of 272453449 in words is "two hundred seventy-two million, four hundred fifty-three thousand, four hundred forty-nine".