100434053 has 2 divisors, whose sum is σ = 100434054. Its totient is φ = 100434052.

The previous prime is 100434049. The next prime is 100434073. The reversal of 100434053 is 350434001.

It is an a-pointer prime, because the next prime (100434073) can be obtained adding 100434053 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64995844 + 35438209 = 8062^2 + 5953^2 .

It is a cyclic number.

It is not a de Polignac number, because 100434053 - 2² = 100434049 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 (100434023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50217026 + 50217027.

It is an arithmetic number, because the mean of its divisors is an integer number (50217027).

Almost surely, 2^100434053 is an apocalyptic number.

It is an amenable number.

100434053 is a deficient number, since it is larger than the sum of its proper divisors (1).

100434053 is an equidigital number, since it uses as much as digits as its factorization.

100434053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 100434053 is about 10021.6791507212. The cubic root of 100434053 is about 464.8294792339.

Adding to 100434053 its reverse (350434001), we get a palindrome (450868054).

The spelling of 100434053 in words is "one hundred million, four hundred thirty-four thousand, fifty-three".