83309153 has 2 divisors, whose sum is σ = 83309154. Its totient is φ = 83309152.

The previous prime is 83309147. The next prime is 83309173. The reversal of 83309153 is 35190338.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82591744 + 717409 = 9088^2 + 847^2 .

It is a cyclic number.

It is not a de Polignac number, because 83309153 - 2¹⁸ = 83047009 is a prime.

It is not a weakly prime, because it can be changed into another prime (83309113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41654576 + 41654577.

It is an arithmetic number, because the mean of its divisors is an integer number (41654577).

Almost surely, 2^83309153 is an apocalyptic number.

It is an amenable number.

83309153 is a deficient number, since it is larger than the sum of its proper divisors (1).

83309153 is an equidigital number, since it uses as much as digits as its factorization.

83309153 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 83309153 is about 9127.3847842632. The cubic root of 83309153 is about 436.7479813476.

The spelling of 83309153 in words is "eighty-three million, three hundred nine thousand, one hundred fifty-three".