99270539 has 2 divisors, whose sum is σ = 99270540. Its totient is φ = 99270538.

The previous prime is 99270517. The next prime is 99270557. The reversal of 99270539 is 93507299.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99270539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99270539.

It is not a weakly prime, because it can be changed into another prime (99270559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49635269 + 49635270.

It is an arithmetic number, because the mean of its divisors is an integer number (49635270).

Almost surely, 2^99270539 is an apocalyptic number.

99270539 is a deficient number, since it is larger than the sum of its proper divisors (1).

99270539 is an equidigital number, since it uses as much as digits as its factorization.

99270539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 99270539 is about 9963.4601921220. The cubic root of 99270539 is about 463.0275085622.

The spelling of 99270539 in words is "ninety-nine million, two hundred seventy thousand, five hundred thirty-nine".