100434959 has 2 divisors, whose sum is σ = 100434960. Its totient is φ = 100434958.

The previous prime is 100434907. The next prime is 100434973. The reversal of 100434959 is 959434001.

It is a strong prime.

It is an emirp because it is prime and its reverse (959434001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100434959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100434989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50217479 + 50217480.

It is an arithmetic number, because the mean of its divisors is an integer number (50217480).

Almost surely, 2^100434959 is an apocalyptic number.

100434959 is a deficient number, since it is larger than the sum of its proper divisors (1).

100434959 is an equidigital number, since it uses as much as digits as its factorization.

100434959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 100434959 is about 10021.7243526252. The cubic root of 100434959 is about 464.8308769479.

The spelling of 100434959 in words is "one hundred million, four hundred thirty-four thousand, nine hundred fifty-nine".