83563069 has 2 divisors, whose sum is σ = 83563070. Its totient is φ = 83563068.

The previous prime is 83563063. The next prime is 83563087. The reversal of 83563069 is 96036538.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83503044 + 60025 = 9138^2 + 245^2 .

It is a cyclic number.

It is not a de Polignac number, because 83563069 - 2⁵ = 83563037 is a prime.

It is a super-2 number, since 2×83563069² = 13965573001397522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83563063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41781534 + 41781535.

It is an arithmetic number, because the mean of its divisors is an integer number (41781535).

Almost surely, 2^83563069 is an apocalyptic number.

It is an amenable number.

83563069 is a deficient number, since it is larger than the sum of its proper divisors (1).

83563069 is an equidigital number, since it uses as much as digits as its factorization.

83563069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 83563069 is about 9141.2837719874. The cubic root of 83563069 is about 437.1912492630.

The spelling of 83563069 in words is "eighty-three million, five hundred sixty-three thousand, sixty-nine".