1625840682 has 8 divisors (see below), whose sum is σ = 3251681376. Its totient is φ = 541946892.

The previous prime is 1625840653. The next prime is 1625840719. The reversal of 1625840682 is 2860485261.

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

1625840682 is an admirable number.

It is an unprimeable number.

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, 135486718 + ... + 135486729.

It is an arithmetic number, because the mean of its divisors is an integer number (406460172).

Almost surely, 2^1625840682 is an apocalyptic number.

1625840682 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1625840682 is a wasteful number, since it uses less digits than its factorization.

1625840682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270973452.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 1625840682 is about 40321.7147700839. The cubic root of 1625840682 is about 1175.8700499080.

The spelling of 1625840682 in words is "one billion, six hundred twenty-five million, eight hundred forty thousand, six hundred eighty-two".