976561 has 2 divisors, whose sum is σ = 976562. Its totient is φ = 976560.

The previous prime is 976559. The next prime is 976571. The reversal of 976561 is 165679.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 680625 + 295936 = 825^2 + 544^2 .

It is a cyclic number.

It is not a de Polignac number, because 976561 - 2¹ = 976559 is a prime.

Together with 976559, it forms a pair of twin primes.

It is a nialpdrome in base 5.

It is not a weakly prime, because it can be changed into another prime (976501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488280 + 488281.

It is an arithmetic number, because the mean of its divisors is an integer number (488281).

2⁹⁷⁶⁵⁶¹ is an apocalyptic number.

It is an amenable number.

976561 is a deficient number, since it is larger than the sum of its proper divisors (1).

976561 is an equidigital number, since it uses as much as digits as its factorization.

976561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 34.

The square root of 976561 is about 988.2110098557. The cubic root of 976561 is about 99.2125149512.

The spelling of 976561 in words is "nine hundred seventy-six thousand, five hundred sixty-one".