402204503 has 4 divisors (see below), whose sum is σ = 402412608. Its totient is φ = 401996400.

The previous prime is 402204497. The next prime is 402204511. The reversal of 402204503 is 305402204.

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 402204503 - 2²⁶ = 335095639 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 (402204533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101126 + ... + 105027.

It is an arithmetic number, because the mean of its divisors is an integer number (100603152).

Almost surely, 2^402204503 is an apocalyptic number.

402204503 is a deficient number, since it is larger than the sum of its proper divisors (208105).

402204503 is a wasteful number, since it uses less digits than its factorization.

402204503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208104.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 402204503 is about 20055.0368486323. The cubic root of 402204503 is about 738.1573970929.

Adding to 402204503 its reverse (305402204), we get a palindrome (707606707).

The spelling of 402204503 in words is "four hundred two million, two hundred four thousand, five hundred three".