896521 has 2 divisors, whose sum is σ = 896522. Its totient is φ = 896520.

The previous prime is 896509. The next prime is 896531. The reversal of 896521 is 125698.

896521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 455625 + 440896 = 675^2 + 664^2 .

It is a cyclic number.

It is not a de Polignac number, because 896521 - 2⁹ = 896009 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

896521 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (896531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448260 + 448261.

It is an arithmetic number, because the mean of its divisors is an integer number (448261).

2⁸⁹⁶⁵²¹ is an apocalyptic number.

It is an amenable number.

896521 is a deficient number, since it is larger than the sum of its proper divisors (1).

896521 is an equidigital number, since it uses as much as digits as its factorization.

896521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 31.

The square root of 896521 is about 946.8479286559. The cubic root of 896521 is about 96.4243727220.

The spelling of 896521 in words is "eight hundred ninety-six thousand, five hundred twenty-one".