1623330625 has 40 divisors (see below), whose sum is σ = 2372490560. Its totient is φ = 1087128000.

The previous prime is 1623330623. The next prime is 1623330649. The reversal of 1623330625 is 5260333261.

It is a happy number.

It is not a de Polignac number, because 1623330625 - 2¹ = 1623330623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1623330623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 183811 + ... + 192439.

It is an arithmetic number, because the mean of its divisors is an integer number (59312264).

Almost surely, 2^1623330625 is an apocalyptic number.

It is an amenable number.

1623330625 is a deficient number, since it is larger than the sum of its proper divisors (749159935).

1623330625 is an frugal number, since it uses more digits than its factorization.

1623330625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8699 (or 8684 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 1623330625 is about 40290.5773723832. The cubic root of 1623330625 is about 1175.2646152182.

Adding to 1623330625 its reverse (5260333261), we get a palindrome (6883663886).

The spelling of 1623330625 in words is "one billion, six hundred twenty-three million, three hundred thirty thousand, six hundred twenty-five".