1530566542 has 32 divisors (see below), whose sum is σ = 2486181600. Its totient is φ = 706436224.

The previous prime is 1530566509. The next prime is 1530566549. The reversal of 1530566542 is 2456650351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530566549) 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, 519309 + ... + 522247.

It is an arithmetic number, because the mean of its divisors is an integer number (77693175).

Almost surely, 2^1530566542 is an apocalyptic number.

1530566542 is a deficient number, since it is larger than the sum of its proper divisors (955615058).

1530566542 is an equidigital number, since it uses as much as digits as its factorization.

1530566542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045 (or 3011 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 1530566542 is about 39122.4557255804. The cubic root of 1530566542 is about 1152.4375623482.

The spelling of 1530566542 in words is "one billion, five hundred thirty million, five hundred sixty-six thousand, five hundred forty-two".