384553625 has 8 divisors (see below), whose sum is σ = 479923080. Its totient is φ = 307642800.

The previous prime is 384553621. The next prime is 384553639. The reversal of 384553625 is 526355483.

It can be written as a sum of positive squares in 4 ways, for example, as 42562576 + 341991049 = 6524^2 + 18493^2 .

It is not a de Polignac number, because 384553625 - 2² = 384553621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (384553621) 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 7 ways as a sum of consecutive naturals, for example, 1538090 + ... + 1538339.

It is an arithmetic number, because the mean of its divisors is an integer number (59990385).

Almost surely, 2^384553625 is an apocalyptic number.

It is an amenable number.

384553625 is a deficient number, since it is larger than the sum of its proper divisors (95369455).

384553625 is an equidigital number, since it uses as much as digits as its factorization.

384553625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076444 (or 3076434 counting only the distinct ones).

The product of its digits is 432000, while the sum is 41.

The square root of 384553625 is about 19610.0388831843. The cubic root of 384553625 is about 727.1973761303.

The spelling of 384553625 in words is "three hundred eighty-four million, five hundred fifty-three thousand, six hundred twenty-five".