897298297 has 4 divisors (see below), whose sum is σ = 1025483776. Its totient is φ = 769112820.

The previous prime is 897298279. The next prime is 897298319. The reversal of 897298297 is 792892798.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 792892798 = 2 ⋅396446399.

It is not a de Polignac number, because 897298297 - 2⁷ = 897298169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897298247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64092729 + ... + 64092742.

It is an arithmetic number, because the mean of its divisors is an integer number (256370944).

Almost surely, 2^897298297 is an apocalyptic number.

It is an amenable number.

897298297 is a deficient number, since it is larger than the sum of its proper divisors (128185479).

897298297 is a wasteful number, since it uses less digits than its factorization.

897298297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128185478.

The product of its digits is 9144576, while the sum is 61.

The square root of 897298297 is about 29954.9377732620. The cubic root of 897298297 is about 964.5223179244.

The spelling of 897298297 in words is "eight hundred ninety-seven million, two hundred ninety-eight thousand, two hundred ninety-seven".