88413569 has 2 divisors, whose sum is σ = 88413570. Its totient is φ = 88413568.

The previous prime is 88413557. The next prime is 88413571. The reversal of 88413569 is 96531488.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60450625 + 27962944 = 7775^2 + 5288^2 .

It is a cyclic number.

It is not a de Polignac number, because 88413569 - 2¹² = 88409473 is a prime.

It is a super-2 number, since 2×88413569² = 15633918366635522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 88413571, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (88413529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44206784 + 44206785.

It is an arithmetic number, because the mean of its divisors is an integer number (44206785).

Almost surely, 2^88413569 is an apocalyptic number.

It is an amenable number.

88413569 is a deficient number, since it is larger than the sum of its proper divisors (1).

88413569 is an equidigital number, since it uses as much as digits as its factorization.

88413569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 88413569 is about 9402.8489831540. The cubic root of 88413569 is about 445.4917242567.

The spelling of 88413569 in words is "eighty-eight million, four hundred thirteen thousand, five hundred sixty-nine".