1487581852 has 6 divisors (see below), whose sum is σ = 2603268248. Its totient is φ = 743790924.

The previous prime is 1487581831. The next prime is 1487581853. The reversal of 1487581852 is 2581857841.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1487581796 and 1487581805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1487581853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185947728 + ... + 185947735.

Almost surely, 2^1487581852 is an apocalyptic number.

It is an amenable number.

1487581852 is a deficient number, since it is larger than the sum of its proper divisors (1115686396).

1487581852 is a wasteful number, since it uses less digits than its factorization.

1487581852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371895467 (or 371895465 counting only the distinct ones).

The product of its digits is 716800, while the sum is 49.

The square root of 1487581852 is about 38569.1826721801. The cubic root of 1487581852 is about 1141.5465446659.

The spelling of 1487581852 in words is "one billion, four hundred eighty-seven million, five hundred eighty-one thousand, eight hundred fifty-two".