98512961 has 2 divisors, whose sum is σ = 98512962. Its totient is φ = 98512960.

The previous prime is 98512951. The next prime is 98512963. The reversal of 98512961 is 16921589.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69622336 + 28890625 = 8344^2 + 5375^2 .

It is a cyclic number.

It is not a de Polignac number, because 98512961 - 2¹⁰ = 98511937 is a prime.

Together with 98512963, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98512963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49256480 + 49256481.

It is an arithmetic number, because the mean of its divisors is an integer number (49256481).

Almost surely, 2^98512961 is an apocalyptic number.

It is an amenable number.

98512961 is a deficient number, since it is larger than the sum of its proper divisors (1).

98512961 is an equidigital number, since it uses as much as digits as its factorization.

98512961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 41.

The square root of 98512961 is about 9925.3695649079. The cubic root of 98512961 is about 461.8466426901.

The spelling of 98512961 in words is "ninety-eight million, five hundred twelve thousand, nine hundred sixty-one".