897925289 has 8 divisors (see below), whose sum is σ = 930092160. Its totient is φ = 865838736.

The previous prime is 897925283. The next prime is 897925319. The reversal of 897925289 is 982529798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 897925289 - 2⁸ = 897925033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897925283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3152 + ... + 42494.

It is an arithmetic number, because the mean of its divisors is an integer number (116261520).

Almost surely, 2^897925289 is an apocalyptic number.

It is an amenable number.

897925289 is a deficient number, since it is larger than the sum of its proper divisors (32166871).

897925289 is a wasteful number, since it uses less digits than its factorization.

897925289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40159.

The product of its digits is 6531840, while the sum is 59.

The square root of 897925289 is about 29965.4015324340. The cubic root of 897925289 is about 964.7469206668.

The spelling of 897925289 in words is "eight hundred ninety-seven million, nine hundred twenty-five thousand, two hundred eighty-nine".