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99524497 is a prime number
BaseRepresentation
bin1011110111010…
…01111110010001
320221021100221111
411323221332101
5200434240442
613513053321
72315641612
oct573517621
9227240844
1099524497
11511a7256
12293b7241
1317808247
14d309c09
158b0db17
hex5ee9f91

99524497 has 2 divisors, whose sum is σ = 99524498. Its totient is φ = 99524496.

The previous prime is 99524459. The next prime is 99524501. The reversal of 99524497 is 79442599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51969681 + 47554816 = 7209^2 + 6896^2 .

It is an emirp because it is prime and its reverse (79442599) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-99524497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99524497.

It is not a weakly prime, because it can be changed into another prime (99521497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49762248 + 49762249.

It is an arithmetic number, because the mean of its divisors is an integer number (49762249).

Almost surely, 299524497 is an apocalyptic number.

It is an amenable number.

99524497 is a deficient number, since it is larger than the sum of its proper divisors (1).

99524497 is an equidigital number, since it uses as much as digits as its factorization.

99524497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 99524497 is about 9976.1965197163. The cubic root of 99524497 is about 463.4220177131.

The spelling of 99524497 in words is "ninety-nine million, five hundred twenty-four thousand, four hundred ninety-seven".