385509043 has 2 divisors, whose sum is σ = 385509044. Its totient is φ = 385509042.

The previous prime is 385509013. The next prime is 385509077. The reversal of 385509043 is 340905583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385509043 - 2¹³ = 385500851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 385508993 and 385509011.

It is not a weakly prime, because it can be changed into another prime (385509013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192754521 + 192754522.

It is an arithmetic number, because the mean of its divisors is an integer number (192754522).

Almost surely, 2^385509043 is an apocalyptic number.

385509043 is a deficient number, since it is larger than the sum of its proper divisors (1).

385509043 is an equidigital number, since it uses as much as digits as its factorization.

385509043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 385509043 is about 19634.3842022102. The cubic root of 385509043 is about 727.7991152396.

The spelling of 385509043 in words is "three hundred eighty-five million, five hundred nine thousand, forty-three".