1442320625 has 20 divisors (see below), whose sum is σ = 1827764928. Its totient is φ = 1137570000.

The previous prime is 1442320619. The next prime is 1442320651. The reversal of 1442320625 is 5260232441.

It is not a de Polignac number, because 1442320625 - 2¹⁰ = 1442319601 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28124 + ... + 60626.

Almost surely, 2^1442320625 is an apocalyptic number.

It is an amenable number.

1442320625 is a deficient number, since it is larger than the sum of its proper divisors (385444303).

1442320625 is an frugal number, since it uses more digits than its factorization.

1442320625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32594 (or 32579 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1442320625 is about 37977.8965320619. The cubic root of 1442320625 is about 1129.8495179046.

The spelling of 1442320625 in words is "one billion, four hundred forty-two million, three hundred twenty thousand, six hundred twenty-five".