83031953 has 2 divisors, whose sum is σ = 83031954. Its totient is φ = 83031952.

The previous prime is 83031947. The next prime is 83031967. The reversal of 83031953 is 35913038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81848209 + 1183744 = 9047^2 + 1088^2 .

It is a cyclic number.

It is not a de Polignac number, because 83031953 - 2⁴ = 83031937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (83031943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41515976 + 41515977.

It is an arithmetic number, because the mean of its divisors is an integer number (41515977).

Almost surely, 2^83031953 is an apocalyptic number.

It is an amenable number.

83031953 is a deficient number, since it is larger than the sum of its proper divisors (1).

83031953 is an equidigital number, since it uses as much as digits as its factorization.

83031953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 83031953 is about 9112.1870590984. The cubic root of 83031953 is about 436.2630363671.

The spelling of 83031953 in words is "eighty-three million, thirty-one thousand, nine hundred fifty-three".