83250569 has 2 divisors, whose sum is σ = 83250570. Its totient is φ = 83250568.

The previous prime is 83250551. The next prime is 83250589. The reversal of 83250569 is 96505238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81234169 + 2016400 = 9013^2 + 1420^2 .

It is a cyclic number.

It is not a de Polignac number, because 83250569 - 2⁸ = 83250313 is a prime.

It is a super-2 number, since 2×83250569² = 13861314477647522, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (83250509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41625284 + 41625285.

It is an arithmetic number, because the mean of its divisors is an integer number (41625285).

Almost surely, 2^83250569 is an apocalyptic number.

It is an amenable number.

83250569 is a deficient number, since it is larger than the sum of its proper divisors (1).

83250569 is an equidigital number, since it uses as much as digits as its factorization.

83250569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 83250569 is about 9124.1749764020. The cubic root of 83250569 is about 436.6455818604.

The spelling of 83250569 in words is "eighty-three million, two hundred fifty thousand, five hundred sixty-nine".