99270569 has 2 divisors, whose sum is σ = 99270570. Its totient is φ = 99270568.

The previous prime is 99270559. The next prime is 99270659. The reversal of 99270569 is 96507299.

Together with next prime (99270659) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89113600 + 10156969 = 9440^2 + 3187^2 .

It is a cyclic number.

It is not a de Polignac number, because 99270569 - 2⁸ = 99270313 is a prime.

It is a super-2 number, since 2×99270569² = 19709291739167522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99270539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49635284 + 49635285.

It is an arithmetic number, because the mean of its divisors is an integer number (49635285).

Almost surely, 2^99270569 is an apocalyptic number.

It is an amenable number.

99270569 is a deficient number, since it is larger than the sum of its proper divisors (1).

99270569 is an equidigital number, since it uses as much as digits as its factorization.

99270569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 99270569 is about 9963.4616976230. The cubic root of 99270569 is about 463.0275552052.

The spelling of 99270569 in words is "ninety-nine million, two hundred seventy thousand, five hundred sixty-nine".