997202273 has 2 divisors, whose sum is σ = 997202274. Its totient is φ = 997202272.

The previous prime is 997202267. The next prime is 997202279. The reversal of 997202273 is 372202799.

It is a balanced prime because it is at equal distance from previous prime (997202267) and next prime (997202279).

It can be written as a sum of positive squares in only one way, i.e., 988033489 + 9168784 = 31433^2 + 3028^2 .

It is a cyclic number.

It is not a de Polignac number, because 997202273 - 2¹⁶ = 997136737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 997202273.

It is not a weakly prime, because it can be changed into another prime (997202279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498601136 + 498601137.

It is an arithmetic number, because the mean of its divisors is an integer number (498601137).

Almost surely, 2^997202273 is an apocalyptic number.

It is an amenable number.

997202273 is a deficient number, since it is larger than the sum of its proper divisors (1).

997202273 is an equidigital number, since it uses as much as digits as its factorization.

997202273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 997202273 is about 31578.5096703438. The cubic root of 997202273 is about 999.0665532817.

The spelling of 997202273 in words is "nine hundred ninety-seven million, two hundred two thousand, two hundred seventy-three".