100554497 has 2 divisors, whose sum is σ = 100554498. Its totient is φ = 100554496.

The previous prime is 100554481. The next prime is 100554499. The reversal of 100554497 is 794455001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94789696 + 5764801 = 9736^2 + 2401^2 .

It is a cyclic number.

It is not a de Polignac number, because 100554497 - 2⁴ = 100554481 is a prime.

It is a super-2 number, since 2×100554497² = 20222413733846018, which contains 22 as substring.

Together with 100554499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100554499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50277248 + 50277249.

It is an arithmetic number, because the mean of its divisors is an integer number (50277249).

Almost surely, 2^100554497 is an apocalyptic number.

It is an amenable number.

100554497 is a deficient number, since it is larger than the sum of its proper divisors (1).

100554497 is an equidigital number, since it uses as much as digits as its factorization.

100554497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 100554497 is about 10027.6865228227. The cubic root of 100554497 is about 465.0152182170.

The spelling of 100554497 in words is "one hundred million, five hundred fifty-four thousand, four hundred ninety-seven".