402001333 has 2 divisors, whose sum is σ = 402001334. Its totient is φ = 402001332.

The previous prime is 402001309. The next prime is 402001357. The reversal of 402001333 is 333100204.

It is a balanced prime because it is at equal distance from previous prime (402001309) and next prime (402001357).

It can be written as a sum of positive squares in only one way, i.e., 306880324 + 95121009 = 17518^2 + 9753^2 .

It is a cyclic number.

It is not a de Polignac number, because 402001333 - 2⁹ = 402000821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402001133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201000666 + 201000667.

It is an arithmetic number, because the mean of its divisors is an integer number (201000667).

Almost surely, 2^402001333 is an apocalyptic number.

It is an amenable number.

402001333 is a deficient number, since it is larger than the sum of its proper divisors (1).

402001333 is an equidigital number, since it uses as much as digits as its factorization.

402001333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 402001333 is about 20049.9708977345. The cubic root of 402001333 is about 738.0330849610.

Adding to 402001333 its reverse (333100204), we get a palindrome (735101537).

The spelling of 402001333 in words is "four hundred two million, one thousand, three hundred thirty-three".