83589953 has 2 divisors, whose sum is σ = 83589954. Its totient is φ = 83589952.

The previous prime is 83589943. The next prime is 83589973. The reversal of 83589953 is 35998538.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80874049 + 2715904 = 8993^2 + 1648^2 .

It is a cyclic number.

It is not a de Polignac number, because 83589953 - 2¹² = 83585857 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (83589943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41794976 + 41794977.

It is an arithmetic number, because the mean of its divisors is an integer number (41794977).

Almost surely, 2^83589953 is an apocalyptic number.

It is an amenable number.

83589953 is a deficient number, since it is larger than the sum of its proper divisors (1).

83589953 is an equidigital number, since it uses as much as digits as its factorization.

83589953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 50.

The square root of 83589953 is about 9142.7541255357. The cubic root of 83589953 is about 437.2381287815.

The spelling of 83589953 in words is "eighty-three million, five hundred eighty-nine thousand, nine hundred fifty-three".