1001305552 has 80 divisors (see below), whose sum is σ = 2190359808. Its totient is φ = 439971840.

The previous prime is 1001305541. The next prime is 1001305583. The reversal of 1001305552 is 2555031001.

It is a super-2 number, since 2×1001305552² = 2005225616932049408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1487488 + ... + 1488160.

Almost surely, 2^1001305552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001305552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1095179904).

1001305552 is an abundant number, since it is smaller than the sum of its proper divisors (1189054256).

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

1001305552 is a wasteful number, since it uses less digits than its factorization.

1001305552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 1001305552 is about 31643.4124582037. The cubic root of 1001305552 is about 1000.4349947521.

Adding to 1001305552 its reverse (2555031001), we get a palindrome (3556336553).

The spelling of 1001305552 in words is "one billion, one million, three hundred five thousand, five hundred fifty-two".