1612403825 has 24 divisors (see below), whose sum is σ = 2029870080. Its totient is φ = 1270339200.

The previous prime is 1612403813. The next prime is 1612403839. The reversal of 1612403825 is 5283042161.

It is not a de Polignac number, because 1612403825 - 2¹² = 1612399729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1612403791 and 1612403800.

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 23 ways as a sum of consecutive naturals, for example, 1028192 + ... + 1029758.

It is an arithmetic number, because the mean of its divisors is an integer number (84577920).

Almost surely, 2^1612403825 is an apocalyptic number.

It is an amenable number.

1612403825 is a deficient number, since it is larger than the sum of its proper divisors (417466255).

1612403825 is a wasteful number, since it uses less digits than its factorization.

1612403825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177 (or 2172 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1612403825 is about 40154.7484738729. The cubic root of 1612403825 is about 1172.6217354581.

Adding to 1612403825 its reverse (5283042161), we get a palindrome (6895445986).

The spelling of 1612403825 in words is "one billion, six hundred twelve million, four hundred three thousand, eight hundred twenty-five".