385082251 has 2 divisors, whose sum is σ = 385082252. Its totient is φ = 385082250.

The previous prime is 385082239. The next prime is 385082267. The reversal of 385082251 is 152280583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385082251 - 2⁵ = 385082219 is a prime.

It is a super-3 number, since 3×385082251³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (385082231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192541125 + 192541126.

It is an arithmetic number, because the mean of its divisors is an integer number (192541126).

Almost surely, 2^385082251 is an apocalyptic number.

385082251 is a deficient number, since it is larger than the sum of its proper divisors (1).

385082251 is an equidigital number, since it uses as much as digits as its factorization.

385082251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 385082251 is about 19623.5127079736. The cubic root of 385082251 is about 727.5304371169.

The spelling of 385082251 in words is "three hundred eighty-five million, eighty-two thousand, two hundred fifty-one".