402424303 has 2 divisors, whose sum is σ = 402424304. Its totient is φ = 402424302.

The previous prime is 402424223. The next prime is 402424327. The reversal of 402424303 is 303424204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402424303 - 2¹³ = 402416111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402424103) 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 as a sum of consecutive naturals, namely, 201212151 + 201212152.

It is an arithmetic number, because the mean of its divisors is an integer number (201212152).

Almost surely, 2^402424303 is an apocalyptic number.

402424303 is a deficient number, since it is larger than the sum of its proper divisors (1).

402424303 is an equidigital number, since it uses as much as digits as its factorization.

402424303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 402424303 is about 20060.5160202822. The cubic root of 402424303 is about 738.2918373659.

Adding to 402424303 its reverse (303424204), we get a palindrome (705848507).

Subtracting from 402424303 its reverse (303424204), we obtain a palindrome (99000099).

The spelling of 402424303 in words is "four hundred two million, four hundred twenty-four thousand, three hundred three".