99274613 has 2 divisors, whose sum is σ = 99274614. Its totient is φ = 99274612.

The previous prime is 99274607. The next prime is 99274649. The reversal of 99274613 is 31647299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92294449 + 6980164 = 9607^2 + 2642^2 .

It is an emirp because it is prime and its reverse (31647299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99274613 - 2⁴ = 99274597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99274673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49637306 + 49637307.

It is an arithmetic number, because the mean of its divisors is an integer number (49637307).

Almost surely, 2^99274613 is an apocalyptic number.

It is an amenable number.

99274613 is a deficient number, since it is larger than the sum of its proper divisors (1).

99274613 is an equidigital number, since it uses as much as digits as its factorization.

99274613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 99274613 is about 9963.6646370700. The cubic root of 99274613 is about 463.0338425940.

The spelling of 99274613 in words is "ninety-nine million, two hundred seventy-four thousand, six hundred thirteen".