272987641 has 2 divisors, whose sum is σ = 272987642. Its totient is φ = 272987640.

The previous prime is 272987633. The next prime is 272987647. The reversal of 272987641 is 146789272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249513616 + 23474025 = 15796^2 + 4845^2 .

It is a cyclic number.

It is not a de Polignac number, because 272987641 - 2³ = 272987633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 272987591 and 272987600.

It is not a weakly prime, because it can be changed into another prime (272987647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136493820 + 136493821.

It is an arithmetic number, because the mean of its divisors is an integer number (136493821).

Almost surely, 2^272987641 is an apocalyptic number.

It is an amenable number.

272987641 is a deficient number, since it is larger than the sum of its proper divisors (1).

272987641 is an equidigital number, since it uses as much as digits as its factorization.

272987641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 46.

The square root of 272987641 is about 16522.3376372715. The cubic root of 272987641 is about 648.7056221786.

The spelling of 272987641 in words is "two hundred seventy-two million, nine hundred eighty-seven thousand, six hundred forty-one".