402204373 has 2 divisors, whose sum is σ = 402204374. Its totient is φ = 402204372.

The previous prime is 402204371. The next prime is 402204419. The reversal of 402204373 is 373402204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229886244 + 172318129 = 15162^2 + 13127^2 .

It is a cyclic number.

It is not a de Polignac number, because 402204373 - 2¹ = 402204371 is a prime.

Together with 402204371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402204371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201102186 + 201102187.

It is an arithmetic number, because the mean of its divisors is an integer number (201102187).

Almost surely, 2^402204373 is an apocalyptic number.

It is an amenable number.

402204373 is a deficient number, since it is larger than the sum of its proper divisors (1).

402204373 is an equidigital number, since it uses as much as digits as its factorization.

402204373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 402204373 is about 20055.0336075510. The cubic root of 402204373 is about 738.1573175642.

Adding to 402204373 its reverse (373402204), we get a palindrome (775606577).

The spelling of 402204373 in words is "four hundred two million, two hundred four thousand, three hundred seventy-three".