1530042534 has 80 divisors (see below), whose sum is σ = 3658674096. Its totient is φ = 476236800.

The previous prime is 1530042529. The next prime is 1530042539. The reversal of 1530042534 is 4352400351.

It is an interprime number because it is at equal distance from previous prime (1530042529) and next prime (1530042539).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1530042498 and 1530042507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530042539) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 358654 + ... + 362894.

Almost surely, 2^1530042534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1530042534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1829337048).

1530042534 is an abundant number, since it is smaller than the sum of its proper divisors (2128631562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1530042534 is a wasteful number, since it uses less digits than its factorization.

1530042534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4403 (or 4394 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1530042534 is about 39115.7581289178. The cubic root of 1530042534 is about 1152.3060303491.

Adding to 1530042534 its reverse (4352400351), we get a palindrome (5882442885).

The spelling of 1530042534 in words is "one billion, five hundred thirty million, forty-two thousand, five hundred thirty-four".