401303 has 4 divisors (see below), whose sum is σ = 458640. Its totient is φ = 343968.

The previous prime is 401287. The next prime is 401309. The reversal of 401303 is 303104.

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 401303 - 2⁴ = 401287 is a prime.

It is a super-2 number, since 2×401303² = 322088195618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401309) 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, 28658 + ... + 28671.

It is an arithmetic number, because the mean of its divisors is an integer number (114660).

2⁴⁰¹³⁰³ is an apocalyptic number.

401303 is a deficient number, since it is larger than the sum of its proper divisors (57337).

401303 is an equidigital number, since it uses as much as digits as its factorization.

401303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57336.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 401303 is about 633.4848064476. The cubic root of 401303 is about 73.7605481418.

Adding to 401303 its reverse (303104), we get a palindrome (704407).

The spelling of 401303 in words is "four hundred one thousand, three hundred three", and thus it is an iban number.