100234549 has 2 divisors, whose sum is σ = 100234550. Its totient is φ = 100234548.

The previous prime is 100234523. The next prime is 100234571. The reversal of 100234549 is 945432001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72335025 + 27899524 = 8505^2 + 5282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100234549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100234049) 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, 50117274 + 50117275.

It is an arithmetic number, because the mean of its divisors is an integer number (50117275).

Almost surely, 2^100234549 is an apocalyptic number.

It is an amenable number.

100234549 is a deficient number, since it is larger than the sum of its proper divisors (1).

100234549 is an equidigital number, since it uses as much as digits as its factorization.

100234549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 100234549 is about 10011.7205813986. The cubic root of 100234549 is about 464.5214933493.

The spelling of 100234549 in words is "one hundred million, two hundred thirty-four thousand, five hundred forty-nine".