100059521 has 2 divisors, whose sum is σ = 100059522. Its totient is φ = 100059520.

The previous prime is 100059511. The next prime is 100059523. The reversal of 100059521 is 125950001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72863296 + 27196225 = 8536^2 + 5215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100059521 is a prime.

Together with 100059523, 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 (100059523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50029760 + 50029761.

It is an arithmetic number, because the mean of its divisors is an integer number (50029761).

Almost surely, 2^100059521 is an apocalyptic number.

It is an amenable number.

100059521 is a deficient number, since it is larger than the sum of its proper divisors (1).

100059521 is an equidigital number, since it uses as much as digits as its factorization.

100059521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 100059521 is about 10002.9756072881. The cubic root of 100059521 is about 464.2509557659.

The spelling of 100059521 in words is "one hundred million, fifty-nine thousand, five hundred twenty-one".