897202561 has 8 divisors (see below), whose sum is σ = 950186304. Its totient is φ = 845383440.

The previous prime is 897202543. The next prime is 897202571. The reversal of 897202561 is 165202798.

897202561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 897202561 - 2⁷ = 897202433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (897202571) 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, 289570 + ... + 292651.

It is an arithmetic number, because the mean of its divisors is an integer number (118773288).

Almost surely, 2^897202561 is an apocalyptic number.

It is an amenable number.

897202561 is a deficient number, since it is larger than the sum of its proper divisors (52983743).

897202561 is a wasteful number, since it uses less digits than its factorization.

897202561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582311.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 897202561 is about 29953.3397303206. The cubic root of 897202561 is about 964.4880139131.

The spelling of 897202561 in words is "eight hundred ninety-seven million, two hundred two thousand, five hundred sixty-one".