897296243 has 2 divisors, whose sum is σ = 897296244. Its totient is φ = 897296242.

The previous prime is 897296219. The next prime is 897296293. The reversal of 897296243 is 342692798.

It is an a-pointer prime, because the next prime (897296293) can be obtained adding 897296243 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 897296243 - 2¹⁰ = 897295219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 897296191 and 897296200.

It is not a weakly prime, because it can be changed into another prime (897296203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448648121 + 448648122.

It is an arithmetic number, because the mean of its divisors is an integer number (448648122).

Almost surely, 2^897296243 is an apocalyptic number.

897296243 is a deficient number, since it is larger than the sum of its proper divisors (1).

897296243 is an equidigital number, since it uses as much as digits as its factorization.

897296243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The square root of 897296243 is about 29954.9034884107. The cubic root of 897296243 is about 964.5215819631.

The spelling of 897296243 in words is "eight hundred ninety-seven million, two hundred ninety-six thousand, two hundred forty-three".