402324271 has 2 divisors, whose sum is σ = 402324272. Its totient is φ = 402324270.

The previous prime is 402324203. The next prime is 402324311. The reversal of 402324271 is 172423204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402324271 - 2⁹ = 402323759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402324971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201162135 + 201162136.

It is an arithmetic number, because the mean of its divisors is an integer number (201162136).

Almost surely, 2^402324271 is an apocalyptic number.

402324271 is a deficient number, since it is larger than the sum of its proper divisors (1).

402324271 is an equidigital number, since it uses as much as digits as its factorization.

402324271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 402324271 is about 20058.0226094199. The cubic root of 402324271 is about 738.2306590452.

Adding to 402324271 its reverse (172423204), we get a palindrome (574747475).

The spelling of 402324271 in words is "four hundred two million, three hundred twenty-four thousand, two hundred seventy-one".