389107253 has 2 divisors, whose sum is σ = 389107254. Its totient is φ = 389107252.

The previous prime is 389107249. The next prime is 389107321. The reversal of 389107253 is 352701983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272316004 + 116791249 = 16502^2 + 10807^2 .

It is a cyclic number.

It is not a de Polignac number, because 389107253 - 2² = 389107249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389104253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194553626 + 194553627.

It is an arithmetic number, because the mean of its divisors is an integer number (194553627).

Almost surely, 2^389107253 is an apocalyptic number.

It is an amenable number.

389107253 is a deficient number, since it is larger than the sum of its proper divisors (1).

389107253 is an equidigital number, since it uses as much as digits as its factorization.

389107253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 389107253 is about 19725.8017074085. The cubic root of 389107253 is about 730.0564496286.

The spelling of 389107253 in words is "three hundred eighty-nine million, one hundred seven thousand, two hundred fifty-three".