83974153 has 2 divisors, whose sum is σ = 83974154. Its totient is φ = 83974152.

The previous prime is 83974151. The next prime is 83974199. The reversal of 83974153 is 35147938.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44195904 + 39778249 = 6648^2 + 6307^2 .

It is a cyclic number.

It is not a de Polignac number, because 83974153 - 2¹ = 83974151 is a prime.

Together with 83974151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (83974151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41987076 + 41987077.

It is an arithmetic number, because the mean of its divisors is an integer number (41987077).

Almost surely, 2^83974153 is an apocalyptic number.

It is an amenable number.

83974153 is a deficient number, since it is larger than the sum of its proper divisors (1).

83974153 is an equidigital number, since it uses as much as digits as its factorization.

83974153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 83974153 is about 9163.7412119723. The cubic root of 83974153 is about 437.9069897652.

The spelling of 83974153 in words is "eighty-three million, nine hundred seventy-four thousand, one hundred fifty-three".