400241003 has 4 divisors (see below), whose sum is σ = 400286880. Its totient is φ = 400195128.

The previous prime is 400240999. The next prime is 400241011. The reversal of 400241003 is 300142004.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 400241003 - 2² = 400240999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400241063) 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, 5363 + ... + 28796.

It is an arithmetic number, because the mean of its divisors is an integer number (100071720).

Almost surely, 2^400241003 is an apocalyptic number.

400241003 is a deficient number, since it is larger than the sum of its proper divisors (45877).

400241003 is a wasteful number, since it uses less digits than its factorization.

400241003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45876.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 400241003 is about 20006.0241677351. The cubic root of 400241003 is about 736.9542471261.

Adding to 400241003 its reverse (300142004), we get a palindrome (700383007).

The spelling of 400241003 in words is "four hundred million, two hundred forty-one thousand, three".