402241403 has 4 divisors (see below), whose sum is σ = 425902680. Its totient is φ = 378580128.

The previous prime is 402241391. The next prime is 402241421. The reversal of 402241403 is 304142204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402241403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402241423) 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, 11830613 + ... + 11830646.

It is an arithmetic number, because the mean of its divisors is an integer number (106475670).

Almost surely, 2^402241403 is an apocalyptic number.

402241403 is a deficient number, since it is larger than the sum of its proper divisors (23661277).

402241403 is a wasteful number, since it uses less digits than its factorization.

402241403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23661276.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 402241403 is about 20055.9567959247. The cubic root of 402241403 is about 738.1799703318.

Adding to 402241403 its reverse (304142204), we get a palindrome (706383607).

The spelling of 402241403 in words is "four hundred two million, two hundred forty-one thousand, four hundred three".