976533161 has 2 divisors, whose sum is σ = 976533162. Its totient is φ = 976533160.

The previous prime is 976533143. The next prime is 976533169. The reversal of 976533161 is 161335679.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 498673561 + 477859600 = 22331^2 + 21860^2 .

It is an emirp because it is prime and its reverse (161335679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 976533161 - 2¹⁸ = 976271017 is a prime.

It is not a weakly prime, because it can be changed into another prime (976533169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488266580 + 488266581.

It is an arithmetic number, because the mean of its divisors is an integer number (488266581).

Almost surely, 2^976533161 is an apocalyptic number.

It is an amenable number.

976533161 is a deficient number, since it is larger than the sum of its proper divisors (1).

976533161 is an equidigital number, since it uses as much as digits as its factorization.

976533161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 41.

The square root of 976533161 is about 31249.5305724742. The cubic root of 976533161 is about 992.1157218586.

The spelling of 976533161 in words is "nine hundred seventy-six million, five hundred thirty-three thousand, one hundred sixty-one".