401241503 has 4 divisors (see below), whose sum is σ = 432106248. Its totient is φ = 370376760.

The previous prime is 401241499. The next prime is 401241521. The reversal of 401241503 is 305142104.

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

It is not a de Polignac number, because 401241503 - 2² = 401241499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401240503) 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, 15432353 + ... + 15432378.

It is an arithmetic number, because the mean of its divisors is an integer number (108026562).

Almost surely, 2^401241503 is an apocalyptic number.

401241503 is a deficient number, since it is larger than the sum of its proper divisors (30864745).

401241503 is a wasteful number, since it uses less digits than its factorization.

401241503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30864744.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 401241503 is about 20031.0135290254. The cubic root of 401241503 is about 737.5678017910.

Adding to 401241503 its reverse (305142104), we get a palindrome (706383607).

The spelling of 401241503 in words is "four hundred one million, two hundred forty-one thousand, five hundred three".