83146961 has 2 divisors, whose sum is σ = 83146962. Its totient is φ = 83146960.

The previous prime is 83146919. The next prime is 83146963. The reversal of 83146961 is 16964138.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73960000 + 9186961 = 8600^2 + 3031^2 .

It is a cyclic number.

It is not a de Polignac number, because 83146961 - 2⁶ = 83146897 is a prime.

It is a Sophie Germain prime.

Together with 83146963, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 83146961 parts by 12895 straight cuts.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (83146963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41573480 + 41573481.

It is an arithmetic number, because the mean of its divisors is an integer number (41573481).

Almost surely, 2^83146961 is an apocalyptic number.

It is an amenable number.

83146961 is a deficient number, since it is larger than the sum of its proper divisors (1).

83146961 is an equidigital number, since it uses as much as digits as its factorization.

83146961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 83146961 is about 9118.4955447705. The cubic root of 83146961 is about 436.4643668589.

The spelling of 83146961 in words is "eighty-three million, one hundred forty-six thousand, nine hundred sixty-one".