306434053 has 2 divisors, whose sum is σ = 306434054. Its totient is φ = 306434052.

The previous prime is 306434017. The next prime is 306434057. The reversal of 306434053 is 350434603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156200004 + 150234049 = 12498^2 + 12257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-306434053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (306434057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153217026 + 153217027.

It is an arithmetic number, because the mean of its divisors is an integer number (153217027).

Almost surely, 2^306434053 is an apocalyptic number.

It is an amenable number.

306434053 is a deficient number, since it is larger than the sum of its proper divisors (1).

306434053 is an equidigital number, since it uses as much as digits as its factorization.

306434053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 306434053 is about 17505.2578672809. The cubic root of 306434053 is about 674.1848801759.

Adding to 306434053 its reverse (350434603), we get a palindrome (656868656).

The spelling of 306434053 in words is "three hundred six million, four hundred thirty-four thousand, fifty-three".