402032113 has 6 divisors (see below), whose sum is σ = 467670066. Its totient is φ = 344598912.

The previous prime is 402032051. The next prime is 402032119. The reversal of 402032113 is 311230204.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 246081969 + 155950144 = 15687^2 + 12488^2 .

It is a de Polignac number, because none of the positive numbers 2^k-402032113 is a prime.

It is a super-3 number, since 3×402032113³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402032119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4102320 + ... + 4102417.

It is an arithmetic number, because the mean of its divisors is an integer number (77945011).

Almost surely, 2^402032113 is an apocalyptic number.

It is an amenable number.

402032113 is a deficient number, since it is larger than the sum of its proper divisors (65637953).

402032113 is an equidigital number, since it uses as much as digits as its factorization.

402032113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8204751 (or 8204744 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 402032113 is about 20050.7384652037. The cubic root of 402032113 is about 738.0519207846.

Adding to 402032113 its reverse (311230204), we get a palindrome (713262317).

The spelling of 402032113 in words is "four hundred two million, thirty-two thousand, one hundred thirteen".