402433613 has 2 divisors, whose sum is σ = 402433614. Its totient is φ = 402433612.

The previous prime is 402433607. The next prime is 402433621. The reversal of 402433613 is 316334204.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 399880009 + 2553604 = 19997^2 + 1598^2 .

It is a cyclic number.

It is not a de Polignac number, because 402433613 - 2²⁰ = 401385037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402433643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201216806 + 201216807.

It is an arithmetic number, because the mean of its divisors is an integer number (201216807).

Almost surely, 2^402433613 is an apocalyptic number.

It is an amenable number.

402433613 is a deficient number, since it is larger than the sum of its proper divisors (1).

402433613 is an equidigital number, since it uses as much as digits as its factorization.

402433613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 402433613 is about 20060.7480668095. The cubic root of 402433613 is about 738.2975307298.

Adding to 402433613 its reverse (316334204), we get a palindrome (718767817).

The spelling of 402433613 in words is "four hundred two million, four hundred thirty-three thousand, six hundred thirteen".