234545657 has 2 divisors, whose sum is σ = 234545658. Its totient is φ = 234545656.

The previous prime is 234545629. The next prime is 234545683. The reversal of 234545657 is 756545432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136515856 + 98029801 = 11684^2 + 9901^2 .

It is a cyclic number.

It is not a de Polignac number, because 234545657 - 2⁶ = 234545593 is a prime.

It is not a weakly prime, because it can be changed into another prime (234545687) 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, 117272828 + 117272829.

It is an arithmetic number, because the mean of its divisors is an integer number (117272829).

Almost surely, 2^234545657 is an apocalyptic number.

It is an amenable number.

234545657 is a deficient number, since it is larger than the sum of its proper divisors (1).

234545657 is an equidigital number, since it uses as much as digits as its factorization.

234545657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504000, while the sum is 41.

The square root of 234545657 is about 15314.8835124528. The cubic root of 234545657 is about 616.7026272025.

The spelling of 234545657 in words is "two hundred thirty-four million, five hundred forty-five thousand, six hundred fifty-seven".