272020997 has 2 divisors, whose sum is σ = 272020998. Its totient is φ = 272020996.

The previous prime is 272020993. The next prime is 272021011. The reversal of 272020997 is 799020272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211818916 + 60202081 = 14554^2 + 7759^2 .

It is a cyclic number.

It is not a de Polignac number, because 272020997 - 2² = 272020993 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 272020997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272020993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136010498 + 136010499.

It is an arithmetic number, because the mean of its divisors is an integer number (136010499).

Almost surely, 2^272020997 is an apocalyptic number.

It is an amenable number.

272020997 is a deficient number, since it is larger than the sum of its proper divisors (1).

272020997 is an equidigital number, since it uses as much as digits as its factorization.

272020997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 272020997 is about 16493.0590552511. The cubic root of 272020997 is about 647.9390319170.

The spelling of 272020997 in words is "two hundred seventy-two million, twenty thousand, nine hundred ninety-seven".