1420664325 has 48 divisors (see below), whose sum is σ = 2436004800. Its totient is φ = 729702400.

The previous prime is 1420664281. The next prime is 1420664327. The reversal of 1420664325 is 5234660241.

It is not a de Polignac number, because 1420664325 - 2⁶ = 1420664261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420664327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1393666 + ... + 1394684.

It is an arithmetic number, because the mean of its divisors is an integer number (50750100).

Almost surely, 2^1420664325 is an apocalyptic number.

1420664325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1420664325 is a deficient number, since it is larger than the sum of its proper divisors (1015340475).

1420664325 is a wasteful number, since it uses less digits than its factorization.

1420664325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 1420664325 is about 37691.7010096387. The cubic root of 1420664325 is about 1124.1661178579.

The spelling of 1420664325 in words is "one billion, four hundred twenty million, six hundred sixty-four thousand, three hundred twenty-five".