83131253 has 2 divisors, whose sum is σ = 83131254. Its totient is φ = 83131252.

The previous prime is 83131249. The next prime is 83131261. The reversal of 83131253 is 35213138.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77404804 + 5726449 = 8798^2 + 2393^2 .

It is a cyclic number.

It is not a de Polignac number, because 83131253 - 2² = 83131249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83131283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41565626 + 41565627.

It is an arithmetic number, because the mean of its divisors is an integer number (41565627).

Almost surely, 2^83131253 is an apocalyptic number.

It is an amenable number.

83131253 is a deficient number, since it is larger than the sum of its proper divisors (1).

83131253 is an equidigital number, since it uses as much as digits as its factorization.

83131253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 83131253 is about 9117.6341777898. The cubic root of 83131253 is about 436.4368797286.

The spelling of 83131253 in words is "eighty-three million, one hundred thirty-one thousand, two hundred fifty-three".