401013203 has 4 divisors (see below), whose sum is σ = 401065368. Its totient is φ = 400961040.

The previous prime is 401013199. The next prime is 401013253. The reversal of 401013203 is 302310104.

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 401013203 - 2² = 401013199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401013253) 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, 12026 + ... + 30767.

It is an arithmetic number, because the mean of its divisors is an integer number (100266342).

Almost surely, 2^401013203 is an apocalyptic number.

401013203 is a deficient number, since it is larger than the sum of its proper divisors (52165).

401013203 is an equidigital number, since it uses as much as digits as its factorization.

401013203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52164.

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

The square root of 401013203 is about 20025.3140549655. The cubic root of 401013203 is about 737.4278871557.

Adding to 401013203 its reverse (302310104), we get a palindrome (703323307).

The spelling of 401013203 in words is "four hundred one million, thirteen thousand, two hundred three".