385525097 has 4 divisors (see below), whose sum is σ = 386095236. Its totient is φ = 384954960.

The previous prime is 385525093. The next prime is 385525109. The reversal of 385525097 is 790525583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 315986176 + 69538921 = 17776^2 + 8339^2 .

It is a cyclic number.

It is not a de Polignac number, because 385525097 - 2² = 385525093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385525093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284054 + ... + 285407.

It is an arithmetic number, because the mean of its divisors is an integer number (96523809).

Almost surely, 2^385525097 is an apocalyptic number.

It is an amenable number.

385525097 is a deficient number, since it is larger than the sum of its proper divisors (570139).

385525097 is an equidigital number, since it uses as much as digits as its factorization.

385525097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570138.

The product of its (nonzero) digits is 378000, while the sum is 44.

The square root of 385525097 is about 19634.7930215727. The cubic root of 385525097 is about 727.8092178343.

The spelling of 385525097 in words is "three hundred eighty-five million, five hundred twenty-five thousand, ninety-seven".