100452389 has 2 divisors, whose sum is σ = 100452390. Its totient is φ = 100452388.

The previous prime is 100452379. The next prime is 100452403. The reversal of 100452389 is 983254001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99660289 + 792100 = 9983^2 + 890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100452389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100452379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50226194 + 50226195.

It is an arithmetic number, because the mean of its divisors is an integer number (50226195).

Almost surely, 2^100452389 is an apocalyptic number.

It is an amenable number.

100452389 is a deficient number, since it is larger than the sum of its proper divisors (1).

100452389 is an equidigital number, since it uses as much as digits as its factorization.

100452389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 100452389 is about 10022.5939257260. The cubic root of 100452389 is about 464.8577651073.

The spelling of 100452389 in words is "one hundred million, four hundred fifty-two thousand, three hundred eighty-nine".