389104253 has 2 divisors, whose sum is σ = 389104254. Its totient is φ = 389104252.

The previous prime is 389104231. The next prime is 389104273. The reversal of 389104253 is 352401983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 367220569 + 21883684 = 19163^2 + 4678^2 .

It is a cyclic number.

It is not a de Polignac number, because 389104253 - 2¹² = 389100157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389104273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194552126 + 194552127.

It is an arithmetic number, because the mean of its divisors is an integer number (194552127).

Almost surely, 2^389104253 is an apocalyptic number.

It is an amenable number.

389104253 is a deficient number, since it is larger than the sum of its proper divisors (1).

389104253 is an equidigital number, since it uses as much as digits as its factorization.

389104253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 389104253 is about 19725.7256647252. The cubic root of 389104253 is about 730.0545733893.

The spelling of 389104253 in words is "three hundred eighty-nine million, one hundred four thousand, two hundred fifty-three".