1530898985 has 16 divisors (see below), whose sum is σ = 2290384512. Its totient is φ = 954326400.

The previous prime is 1530898981. The next prime is 1530899059. The reversal of 1530898985 is 5898980351.

It is not a de Polignac number, because 1530898985 - 2² = 1530898981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1530898985.

It is not an unprimeable number, because it can be changed into a prime (1530898981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1987796 + ... + 1988565.

It is an arithmetic number, because the mean of its divisors is an integer number (143149032).

Almost surely, 2^1530898985 is an apocalyptic number.

It is an amenable number.

1530898985 is a deficient number, since it is larger than the sum of its proper divisors (759485527).

1530898985 is a wasteful number, since it uses less digits than its factorization.

1530898985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976384.

The product of its (nonzero) digits is 3110400, while the sum is 56.

The square root of 1530898985 is about 39126.7042440326. The cubic root of 1530898985 is about 1152.5209937782.

The spelling of 1530898985 in words is "one billion, five hundred thirty million, eight hundred ninety-eight thousand, nine hundred eighty-five".