434021113 has 2 divisors, whose sum is σ = 434021114. Its totient is φ = 434021112.

The previous prime is 434021053. The next prime is 434021149. The reversal of 434021113 is 311120434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 400520169 + 33500944 = 20013^2 + 5788^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434021113 is a prime.

It is not a weakly prime, because it can be changed into another prime (434021153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217010556 + 217010557.

It is an arithmetic number, because the mean of its divisors is an integer number (217010557).

Almost surely, 2^434021113 is an apocalyptic number.

It is an amenable number.

434021113 is a deficient number, since it is larger than the sum of its proper divisors (1).

434021113 is an equidigital number, since it uses as much as digits as its factorization.

434021113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 434021113 is about 20833.1733780526. The cubic root of 434021113 is about 757.1297049013.

Adding to 434021113 its reverse (311120434), we get a palindrome (745141547).

The spelling of 434021113 in words is "four hundred thirty-four million, twenty-one thousand, one hundred thirteen".