1051530000 has 100 divisors (see below), whose sum is σ = 3394575888. Its totient is φ = 280400000.

The previous prime is 1051529989. The next prime is 1051530001. The reversal of 1051530000 is 351501.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×1051530000² = 2211430681800000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1051530001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12475 + ... + 47525.

Almost surely, 2^1051530000 is an apocalyptic number.

1051530000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051530000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1697287944).

1051530000 is an abundant number, since it is smaller than the sum of its proper divisors (2343045888).

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

1051530000 is an equidigital number, since it uses as much as digits as its factorization.

1051530000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35082 (or 35061 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 1051530000 is about 32427.3033106362. The cubic root of 1051530000 is about 1016.8897954527.

Adding to 1051530000 its reverse (351501), we get a palindrome (1051881501).

The spelling of 1051530000 in words is "one billion, fifty-one million, five hundred thirty thousand".