897717541 has 8 divisors (see below), whose sum is σ = 1042782464. Its totient is φ = 756857520.

The previous prime is 897717517. The next prime is 897717553. The reversal of 897717541 is 145717798.

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 897717541 - 2²⁷ = 763499813 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 (897717341) 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, 1050765 + ... + 1051618.

It is an arithmetic number, because the mean of its divisors is an integer number (130347808).

Almost surely, 2^897717541 is an apocalyptic number.

It is an amenable number.

897717541 is a deficient number, since it is larger than the sum of its proper divisors (145064923).

897717541 is a wasteful number, since it uses less digits than its factorization.

897717541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102451.

The product of its digits is 493920, while the sum is 49.

The square root of 897717541 is about 29961.9348674280. The cubic root of 897717541 is about 964.6725122111.

The spelling of 897717541 in words is "eight hundred ninety-seven million, seven hundred seventeen thousand, five hundred forty-one".