1076530521 has 16 divisors (see below), whose sum is σ = 1616375808. Its totient is φ = 631395600.

The previous prime is 1076530517. The next prime is 1076530529. The reversal of 1076530521 is 1250356701.

It is not a de Polignac number, because 1076530521 - 2² = 1076530517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1076530529) 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, 525141 + ... + 527186.

It is an arithmetic number, because the mean of its divisors is an integer number (101023488).

Almost surely, 2^1076530521 is an apocalyptic number.

1076530521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1076530521 is a deficient number, since it is larger than the sum of its proper divisors (539845287).

1076530521 is a wasteful number, since it uses less digits than its factorization.

1076530521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052372.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 1076530521 is about 32810.5245462489. The cubic root of 1076530521 is about 1024.8857365390.

The spelling of 1076530521 in words is "one billion, seventy-six million, five hundred thirty thousand, five hundred twenty-one".