385255725 has 12 divisors (see below), whose sum is σ = 636956256. Its totient is φ = 205469680.

The previous prime is 385255679. The next prime is 385255763. The reversal of 385255725 is 527552583.

It is a happy number.

It is not a de Polignac number, because 385255725 - 2¹⁷ = 385124653 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2568297 + ... + 2568446.

It is an arithmetic number, because the mean of its divisors is an integer number (53079688).

Almost surely, 2^385255725 is an apocalyptic number.

It is an amenable number.

385255725 is a deficient number, since it is larger than the sum of its proper divisors (251700531).

385255725 is a wasteful number, since it uses less digits than its factorization.

385255725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136756 (or 5136751 counting only the distinct ones).

The product of its digits is 420000, while the sum is 42.

The square root of 385255725 is about 19627.9322650146. The cubic root of 385255725 is about 727.6396680391.

The spelling of 385255725 in words is "three hundred eighty-five million, two hundred fifty-five thousand, seven hundred twenty-five".