254330129 has 2 divisors, whose sum is σ = 254330130. Its totient is φ = 254330128.

The previous prime is 254330101. The next prime is 254330147. The reversal of 254330129 is 921033452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211033729 + 43296400 = 14527^2 + 6580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254330129 is a prime.

It is a Chen prime.

It is equal to p_13903085 and since 254330129 and 13903085 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (254332129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127165064 + 127165065.

It is an arithmetic number, because the mean of its divisors is an integer number (127165065).

Almost surely, 2^254330129 is an apocalyptic number.

It is an amenable number.

254330129 is a deficient number, since it is larger than the sum of its proper divisors (1).

254330129 is an equidigital number, since it uses as much as digits as its factorization.

254330129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 254330129 is about 15947.7311552459. The cubic root of 254330129 is about 633.5768064509.

The spelling of 254330129 in words is "two hundred fifty-four million, three hundred thirty thousand, one hundred twenty-nine".