1531985002 has 8 divisors (see below), whose sum is σ = 2315519712. Its totient is φ = 760145100.

The previous prime is 1531984999. The next prime is 1531985017. The reversal of 1531985002 is 2005891351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2923374 + ... + 2923897.

It is an arithmetic number, because the mean of its divisors is an integer number (289439964).

Almost surely, 2^1531985002 is an apocalyptic number.

1531985002 is a deficient number, since it is larger than the sum of its proper divisors (783534710).

1531985002 is a wasteful number, since it uses less digits than its factorization.

1531985002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5847404.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 1531985002 is about 39140.5799905929. The cubic root of 1531985002 is about 1152.7934614690.

The spelling of 1531985002 in words is "one billion, five hundred thirty-one million, nine hundred eighty-five thousand, two".