897499023 has 4 divisors (see below), whose sum is σ = 1196665368. Its totient is φ = 598332680.

The previous prime is 897499021. The next prime is 897499033. The reversal of 897499023 is 320994798.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 897499023 - 2¹ = 897499021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897499021) 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, 149583168 + ... + 149583173.

It is an arithmetic number, because the mean of its divisors is an integer number (299166342).

Almost surely, 2^897499023 is an apocalyptic number.

897499023 is a deficient number, since it is larger than the sum of its proper divisors (299166345).

897499023 is a wasteful number, since it uses less digits than its factorization.

897499023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299166344.

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 897499023 is about 29958.2880518897. The cubic root of 897499023 is about 964.5942339092.

The spelling of 897499023 in words is "eight hundred ninety-seven million, four hundred ninety-nine thousand, twenty-three".