897296549 has 4 divisors (see below), whose sum is σ = 897356460. Its totient is φ = 897236640.

The previous prime is 897296531. The next prime is 897296557. The reversal of 897296549 is 945692798.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 547232449 + 350064100 = 23393^2 + 18710^2 .

It is a cyclic number.

It is not a de Polignac number, because 897296549 - 2⁸ = 897296293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (896296549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14867 + ... + 44895.

It is an arithmetic number, because the mean of its divisors is an integer number (224339115).

Almost surely, 2^897296549 is an apocalyptic number.

It is an amenable number.

897296549 is a deficient number, since it is larger than the sum of its proper divisors (59911).

897296549 is a wasteful number, since it uses less digits than its factorization.

897296549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59910.

The product of its digits is 9797760, while the sum is 59.

The square root of 897296549 is about 29954.9085960882. The cubic root of 897296549 is about 964.5216916049.

The spelling of 897296549 in words is "eight hundred ninety-seven million, two hundred ninety-six thousand, five hundred forty-nine".