401532052001 has 4 divisors (see below), whose sum is σ = 402608545812. Its totient is φ = 400455558192.

The previous prime is 401532051997. The next prime is 401532052073. The reversal of 401532052001 is 100250235104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91059097600 + 310472954401 = 301760^2 + 557201^2 .

It is a cyclic number.

It is not a de Polignac number, because 401532052001 - 2² = 401532051997 is a prime.

It is a super-2 number, since 2×401532052001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401532052091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538246346 + ... + 538247091.

It is an arithmetic number, because the mean of its divisors is an integer number (100652136453).

Almost surely, 2^401532052001 is an apocalyptic number.

It is an amenable number.

401532052001 is a deficient number, since it is larger than the sum of its proper divisors (1076493811).

401532052001 is a wasteful number, since it uses less digits than its factorization.

401532052001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076493810.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 401532052001 its reverse (100250235104), we get a palindrome (501782287105).

The spelling of 401532052001 in words is "four hundred one billion, five hundred thirty-two million, fifty-two thousand, one".