896597561 has 4 divisors (see below), whose sum is σ = 949338612. Its totient is φ = 843856512.

The previous prime is 896597557. The next prime is 896597573. The reversal of 896597561 is 165795698.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 494795536 + 401802025 = 22244^2 + 20045^2 .

It is a cyclic number.

It is not a de Polignac number, because 896597561 - 2² = 896597557 is a prime.

It is a super-2 number, since 2×896597561² = 1607774372782297442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 896597497 and 896597506.

It is not an unprimeable number, because it can be changed into a prime (896597161) 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, 26370500 + ... + 26370533.

It is an arithmetic number, because the mean of its divisors is an integer number (237334653).

Almost surely, 2^896597561 is an apocalyptic number.

It is an amenable number.

896597561 is a deficient number, since it is larger than the sum of its proper divisors (52741051).

896597561 is a wasteful number, since it uses less digits than its factorization.

896597561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52741050.

The product of its digits is 4082400, while the sum is 56.

The square root of 896597561 is about 29943.2389864557. The cubic root of 896597561 is about 964.2711745648.

The spelling of 896597561 in words is "eight hundred ninety-six million, five hundred ninety-seven thousand, five hundred sixty-one".