896515909 has 2 divisors, whose sum is σ = 896515910. Its totient is φ = 896515908.

The previous prime is 896515891. The next prime is 896515933. The reversal of 896515909 is 909515698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 873379809 + 23136100 = 29553^2 + 4810^2 .

It is a cyclic number.

It is not a de Polignac number, because 896515909 - 2²¹ = 894418757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (896515979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448257954 + 448257955.

It is an arithmetic number, because the mean of its divisors is an integer number (448257955).

Almost surely, 2^896515909 is an apocalyptic number.

It is an amenable number.

896515909 is a deficient number, since it is larger than the sum of its proper divisors (1).

896515909 is an equidigital number, since it uses as much as digits as its factorization.

896515909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 874800, while the sum is 52.

The square root of 896515909 is about 29941.8755090592. The cubic root of 896515909 is about 964.2419020261.

The spelling of 896515909 in words is "eight hundred ninety-six million, five hundred fifteen thousand, nine hundred nine".