403132001 has 4 divisors (see below), whose sum is σ = 404274372. Its totient is φ = 401989632.

The previous prime is 403131991. The next prime is 403132003. The reversal of 403132001 is 100231304.

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 262472401 + 140659600 = 16201^2 + 11860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403132001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403132003) 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, 570656 + ... + 571361.

It is an arithmetic number, because the mean of its divisors is an integer number (101068593).

Almost surely, 2^403132001 is an apocalyptic number.

It is an amenable number.

403132001 is a deficient number, since it is larger than the sum of its proper divisors (1142371).

403132001 is a wasteful number, since it uses less digits than its factorization.

403132001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142370.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 403132001 is about 20078.1473497930. The cubic root of 403132001 is about 738.7243673032.

Adding to 403132001 its reverse (100231304), we get a palindrome (503363305).

The spelling of 403132001 in words is "four hundred three million, one hundred thirty-two thousand, one".