99905153 has 2 divisors, whose sum is σ = 99905154. Its totient is φ = 99905152.

The previous prime is 99905147. The next prime is 99905161. The reversal of 99905153 is 35150999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97851664 + 2053489 = 9892^2 + 1433^2 .

It is a cyclic number.

It is not a de Polignac number, because 99905153 - 2⁴ = 99905137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99905153.

It is not a weakly prime, because it can be changed into another prime (99935153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49952576 + 49952577.

It is an arithmetic number, because the mean of its divisors is an integer number (49952577).

Almost surely, 2^99905153 is an apocalyptic number.

It is an amenable number.

99905153 is a deficient number, since it is larger than the sum of its proper divisors (1).

99905153 is an equidigital number, since it uses as much as digits as its factorization.

99905153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54675, while the sum is 41.

The square root of 99905153 is about 9995.2565249722. The cubic root of 99905153 is about 464.0120900164.

The spelling of 99905153 in words is "ninety-nine million, nine hundred five thousand, one hundred fifty-three".