402130553 has 12 divisors (see below), whose sum is σ = 442754340. Its totient is φ = 364958880.

The previous prime is 402130523. The next prime is 402130567. The reversal of 402130553 is 355031204.

It can be written as a sum of positive squares in 2 ways, for example, as 399480169 + 2650384 = 19987^2 + 1628^2 .

It is a de Polignac number, because none of the positive numbers 2^k-402130553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402130523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79463 + ... + 84371.

It is an arithmetic number, because the mean of its divisors is an integer number (36896195).

Almost surely, 2^402130553 is an apocalyptic number.

It is an amenable number.

402130553 is a deficient number, since it is larger than the sum of its proper divisors (40623787).

402130553 is a wasteful number, since it uses less digits than its factorization.

402130553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5608 (or 5597 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 402130553 is about 20053.1930873864. The cubic root of 402130553 is about 738.1121546976.

Adding to 402130553 its reverse (355031204), we get a palindrome (757161757).

The spelling of 402130553 in words is "four hundred two million, one hundred thirty thousand, five hundred fifty-three".