1001530401 has 8 divisors (see below), whose sum is σ = 1413925344. Its totient is φ = 628411200.

The previous prime is 1001530381. The next prime is 1001530403. The reversal of 1001530401 is 1040351001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1001530401 - 2¹⁹ = 1001006113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1001530403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9818875 + ... + 9818976.

It is an arithmetic number, because the mean of its divisors is an integer number (176740668).

Almost surely, 2^1001530401 is an apocalyptic number.

It is an amenable number.

1001530401 is a deficient number, since it is larger than the sum of its proper divisors (412394943).

1001530401 is a wasteful number, since it uses less digits than its factorization.

1001530401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19637871.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1001530401 is about 31646.9651151576. The cubic root of 1001530401 is about 1000.5098736513.

Adding to 1001530401 its reverse (1040351001), we get a palindrome (2041881402).

The spelling of 1001530401 in words is "one billion, one million, five hundred thirty thousand, four hundred one".