272513749 has 2 divisors, whose sum is σ = 272513750. Its totient is φ = 272513748.

The previous prime is 272513741. The next prime is 272513753. The reversal of 272513749 is 947315272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264712900 + 7800849 = 16270^2 + 2793^2 .

It is a cyclic number.

It is not a de Polignac number, because 272513749 - 2³ = 272513741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272513741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136256874 + 136256875.

It is an arithmetic number, because the mean of its divisors is an integer number (136256875).

Almost surely, 2^272513749 is an apocalyptic number.

It is an amenable number.

272513749 is a deficient number, since it is larger than the sum of its proper divisors (1).

272513749 is an equidigital number, since it uses as much as digits as its factorization.

272513749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 272513749 is about 16507.9904591686. The cubic root of 272513749 is about 648.3300319608.

The spelling of 272513749 in words is "two hundred seventy-two million, five hundred thirteen thousand, seven hundred forty-nine".