401032003 has 4 divisors (see below), whose sum is σ = 404093448. Its totient is φ = 397970560.

The previous prime is 401032001. The next prime is 401032007. The reversal of 401032003 is 300230104.

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

It is a cyclic number.

It is not a de Polignac number, because 401032003 - 2¹ = 401032001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401032001) 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, 1530526 + ... + 1530787.

It is an arithmetic number, because the mean of its divisors is an integer number (101023362).

Almost surely, 2^401032003 is an apocalyptic number.

401032003 is a deficient number, since it is larger than the sum of its proper divisors (3061445).

401032003 is a wasteful number, since it uses less digits than its factorization.

401032003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061444.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 401032003 is about 20025.7834553358. The cubic root of 401032003 is about 737.4394108225.

Adding to 401032003 its reverse (300230104), we get a palindrome (701262107).

The spelling of 401032003 in words is "four hundred one million, thirty-two thousand, three".