100690241 has 2 divisors, whose sum is σ = 100690242. Its totient is φ = 100690240.

The previous prime is 100690217. The next prime is 100690243. The reversal of 100690241 is 142096001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71487025 + 29203216 = 8455^2 + 5404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100690241 is a prime.

It is a Sophie Germain prime.

Together with 100690243, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (100690243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50345120 + 50345121.

It is an arithmetic number, because the mean of its divisors is an integer number (50345121).

Almost surely, 2^100690241 is an apocalyptic number.

It is an amenable number.

100690241 is a deficient number, since it is larger than the sum of its proper divisors (1).

100690241 is an equidigital number, since it uses as much as digits as its factorization.

100690241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 100690241 is about 10034.4527005712. The cubic root of 100690241 is about 465.2243739304.

The spelling of 100690241 in words is "one hundred million, six hundred ninety thousand, two hundred forty-one".