402232361 has 2 divisors, whose sum is σ = 402232362. Its totient is φ = 402232360.

The previous prime is 402232357. The next prime is 402232387. The reversal of 402232361 is 163232204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401802025 + 430336 = 20045^2 + 656^2 .

It is a cyclic number.

It is not a de Polignac number, because 402232361 - 2² = 402232357 is a prime.

It is not a weakly prime, because it can be changed into another prime (402232561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201116180 + 201116181.

It is an arithmetic number, because the mean of its divisors is an integer number (201116181).

Almost surely, 2^402232361 is an apocalyptic number.

It is an amenable number.

402232361 is a deficient number, since it is larger than the sum of its proper divisors (1).

402232361 is an equidigital number, since it uses as much as digits as its factorization.

402232361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 402232361 is about 20055.7313753451. The cubic root of 402232361 is about 738.1744390984.

Adding to 402232361 its reverse (163232204), we get a palindrome (565464565).

The spelling of 402232361 in words is "four hundred two million, two hundred thirty-two thousand, three hundred sixty-one".