402143033 has 2 divisors, whose sum is σ = 402143034. Its totient is φ = 402143032.

The previous prime is 402143023. The next prime is 402143039. The reversal of 402143033 is 330341204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386987584 + 15155449 = 19672^2 + 3893^2 .

It is a cyclic number.

It is not a de Polignac number, because 402143033 - 2¹⁰ = 402142009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402142996 and 402143014.

It is not a weakly prime, because it can be changed into another prime (402143039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201071516 + 201071517.

It is an arithmetic number, because the mean of its divisors is an integer number (201071517).

Almost surely, 2^402143033 is an apocalyptic number.

It is an amenable number.

402143033 is a deficient number, since it is larger than the sum of its proper divisors (1).

402143033 is an equidigital number, since it uses as much as digits as its factorization.

402143033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 402143033 is about 20053.5042573611. The cubic root of 402143033 is about 738.1197903144.

Adding to 402143033 its reverse (330341204), we get a palindrome (732484237).

The spelling of 402143033 in words is "four hundred two million, one hundred forty-three thousand, thirty-three".