401501303 has 16 divisors (see below), whose sum is σ = 462443520. Its totient is φ = 341469216.

The previous prime is 401501297. The next prime is 401501381. The reversal of 401501303 is 303105104.

It is a cyclic number.

It is not a de Polignac number, because 401501303 - 2⁶ = 401501239 is a prime.

It is a super-2 number, since 2×401501303² = 322406592621395618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401501383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958028 + ... + 958446.

It is an arithmetic number, because the mean of its divisors is an integer number (28902720).

Almost surely, 2^401501303 is an apocalyptic number.

401501303 is a deficient number, since it is larger than the sum of its proper divisors (60942217).

401501303 is a wasteful number, since it uses less digits than its factorization.

401501303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 401501303 is about 20037.4974235806. The cubic root of 401501303 is about 737.7269567895.

Adding to 401501303 its reverse (303105104), we get a palindrome (704606407).

The spelling of 401501303 in words is "four hundred one million, five hundred one thousand, three hundred three".