402523067 has 2 divisors, whose sum is σ = 402523068. Its totient is φ = 402523066.

The previous prime is 402523061. The next prime is 402523097. The reversal of 402523067 is 760325204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402523067 - 2¹⁸ = 402260923 is a prime.

It is not a weakly prime, because it can be changed into another prime (402523061) 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, 201261533 + 201261534.

It is an arithmetic number, because the mean of its divisors is an integer number (201261534).

Almost surely, 2^402523067 is an apocalyptic number.

402523067 is a deficient number, since it is larger than the sum of its proper divisors (1).

402523067 is an equidigital number, since it uses as much as digits as its factorization.

402523067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 402523067 is about 20062.9775207969. The cubic root of 402523067 is about 738.3522302482.

The spelling of 402523067 in words is "four hundred two million, five hundred twenty-three thousand, sixty-seven".