1601602625 has 32 divisors (see below), whose sum is σ = 2404596480. Its totient is φ = 1040428800.

The previous prime is 1601602591. The next prime is 1601602649. The reversal of 1601602625 is 5262061061.

It is not a de Polignac number, because 1601602625 - 2¹² = 1601598529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31544 + ... + 64793.

It is an arithmetic number, because the mean of its divisors is an integer number (75143640).

Almost surely, 2^1601602625 is an apocalyptic number.

It is an amenable number.

1601602625 is a deficient number, since it is larger than the sum of its proper divisors (802993855).

1601602625 is an equidigital number, since it uses as much as digits as its factorization.

1601602625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96378 (or 96368 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1601602625 is about 40020.0277985910. The cubic root of 1601602625 is about 1169.9974736352.

Adding to 1601602625 its reverse (5262061061), we get a palindrome (6863663686).

The spelling of 1601602625 in words is "one billion, six hundred one million, six hundred two thousand, six hundred twenty-five".