234461021 has 2 divisors, whose sum is σ = 234461022. Its totient is φ = 234461020.

The previous prime is 234460981. The next prime is 234461023. The reversal of 234461021 is 120164432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151905625 + 82555396 = 12325^2 + 9086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234461021 is a prime.

Together with 234461023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234461023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117230510 + 117230511.

It is an arithmetic number, because the mean of its divisors is an integer number (117230511).

Almost surely, 2^234461021 is an apocalyptic number.

It is an amenable number.

234461021 is a deficient number, since it is larger than the sum of its proper divisors (1).

234461021 is an equidigital number, since it uses as much as digits as its factorization.

234461021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 234461021 is about 15312.1200687560. The cubic root of 234461021 is about 616.6284390555.

The spelling of 234461021 in words is "two hundred thirty-four million, four hundred sixty-one thousand, twenty-one".