897257701 has 4 divisors (see below), whose sum is σ = 900981004. Its totient is φ = 893534400.

The previous prime is 897257693. The next prime is 897257719. The reversal of 897257701 is 107752798.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 107752798 = 2 ⋅53876399.

It can be written as a sum of positive squares in 2 ways, for example, as 701985025 + 195272676 = 26495^2 + 13974^2 .

It is a cyclic number.

It is not a de Polignac number, because 897257701 - 2³ = 897257693 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 (897257771) 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, 1861290 + ... + 1861771.

It is an arithmetic number, because the mean of its divisors is an integer number (225245251).

Almost surely, 2^897257701 is an apocalyptic number.

It is an amenable number.

897257701 is a deficient number, since it is larger than the sum of its proper divisors (3723303).

897257701 is a wasteful number, since it uses less digits than its factorization.

897257701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723302.

The product of its (nonzero) digits is 246960, while the sum is 46.

The square root of 897257701 is about 29954.2601477653. The cubic root of 897257701 is about 964.5077719112.

The spelling of 897257701 in words is "eight hundred ninety-seven million, two hundred fifty-seven thousand, seven hundred one".