1543651052 has 12 divisors (see below), whose sum is σ = 2701670160. Its totient is φ = 771745296.

The previous prime is 1543651037. The next prime is 1543651093. The reversal of 1543651052 is 2501563451.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 51974 + ... + 76082.

It is an arithmetic number, because the mean of its divisors is an integer number (225139180).

Almost surely, 2^1543651052 is an apocalyptic number.

It is an amenable number.

1543651052 is a deficient number, since it is larger than the sum of its proper divisors (1158019108).

1543651052 is a wasteful number, since it uses less digits than its factorization.

1543651052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40120 (or 40118 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 1543651052 is about 39289.3249114820. The cubic root of 1543651052 is about 1155.7122352571.

The spelling of 1543651052 in words is "one billion, five hundred forty-three million, six hundred fifty-one thousand, fifty-two".