1001325530 has 16 divisors (see below), whose sum is σ = 1805854824. Its totient is φ = 399759360.

The previous prime is 1001325509. The next prime is 1001325547. The reversal of 1001325530 is 355231001.

It can be written as a sum of positive squares in 4 ways, for example, as 377175241 + 624150289 = 19421^2 + 24983^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90887 + ... + 101306.

Almost surely, 2^1001325530 is an apocalyptic number.

1001325530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001325530 is a deficient number, since it is larger than the sum of its proper divisors (804529294).

1001325530 is a wasteful number, since it uses less digits than its factorization.

1001325530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192721.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1001325530 is about 31643.7281305474. The cubic root of 1001325530 is about 1000.4416482514.

Adding to 1001325530 its reverse (355231001), we get a palindrome (1356556531).

The spelling of 1001325530 in words is "one billion, one million, three hundred twenty-five thousand, five hundred thirty".