100498553 has 2 divisors, whose sum is σ = 100498554. Its totient is φ = 100498552.

The previous prime is 100498513. The next prime is 100498561. The reversal of 100498553 is 355894001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69939769 + 30558784 = 8363^2 + 5528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100498553 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (100498513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50249276 + 50249277.

It is an arithmetic number, because the mean of its divisors is an integer number (50249277).

Almost surely, 2^100498553 is an apocalyptic number.

It is an amenable number.

100498553 is a deficient number, since it is larger than the sum of its proper divisors (1).

100498553 is an equidigital number, since it uses as much as digits as its factorization.

100498553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 100498553 is about 10024.8966578215. The cubic root of 100498553 is about 464.9289643675.

The spelling of 100498553 in words is "one hundred million, four hundred ninety-eight thousand, five hundred fifty-three".