402881267 has 2 divisors, whose sum is σ = 402881268. Its totient is φ = 402881266.

The previous prime is 402881261. The next prime is 402881287. The reversal of 402881267 is 762188204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402881267 - 2¹² = 402877171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402881267.

It is not a weakly prime, because it can be changed into another prime (402881261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201440633 + 201440634.

It is an arithmetic number, because the mean of its divisors is an integer number (201440634).

Almost surely, 2^402881267 is an apocalyptic number.

402881267 is a deficient number, since it is larger than the sum of its proper divisors (1).

402881267 is an equidigital number, since it uses as much as digits as its factorization.

402881267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 402881267 is about 20071.9024260283. The cubic root of 402881267 is about 738.5711819701.

The spelling of 402881267 in words is "four hundred two million, eight hundred eighty-one thousand, two hundred sixty-seven".