1625384474 has 8 divisors (see below), whose sum is σ = 2786373408. Its totient is φ = 696593340.

The previous prime is 1625384461. The next prime is 1625384479. The reversal of 1625384474 is 4744835261.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1625384479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58049432 + ... + 58049459.

It is an arithmetic number, because the mean of its divisors is an integer number (348296676).

Almost surely, 2^1625384474 is an apocalyptic number.

1625384474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1625384474 is a deficient number, since it is larger than the sum of its proper divisors (1160988934).

1625384474 is a wasteful number, since it uses less digits than its factorization.

1625384474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116098900.

The product of its digits is 645120, while the sum is 44.

The square root of 1625384474 is about 40316.0572725062. The cubic root of 1625384474 is about 1175.7600572721.

The spelling of 1625384474 in words is "one billion, six hundred twenty-five million, three hundred eighty-four thousand, four hundred seventy-four".