897735261 has 8 divisors (see below), whose sum is σ = 1197120384. Its totient is φ = 598420160.

The previous prime is 897735247. The next prime is 897735277. The reversal of 897735261 is 162537798.

897735261 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 897735261 - 2⁵ = 897735229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 897735261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897735661) 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, 34405 + ... + 54581.

It is an arithmetic number, because the mean of its divisors is an integer number (149640048).

Almost surely, 2^897735261 is an apocalyptic number.

It is an amenable number.

897735261 is a deficient number, since it is larger than the sum of its proper divisors (299385123).

897735261 is a wasteful number, since it uses less digits than its factorization.

897735261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35011.

The product of its digits is 635040, while the sum is 48.

The square root of 897735261 is about 29962.2305745083. The cubic root of 897735261 is about 964.6788593763.

The spelling of 897735261 in words is "eight hundred ninety-seven million, seven hundred thirty-five thousand, two hundred sixty-one".