52130403 has 24 divisors (see below), whose sum is σ = 81830112. Its totient is φ = 31788288.

The previous prime is 52130399. The next prime is 52130411. The reversal of 52130403 is 30403125.

It is not a de Polignac number, because 52130403 - 2² = 52130399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52130413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11250 + ... + 15192.

It is an arithmetic number, because the mean of its divisors is an integer number (3409588).

Almost surely, 2^52130403 is an apocalyptic number.

52130403 is a deficient number, since it is larger than the sum of its proper divisors (29699709).

52130403 is a wasteful number, since it uses less digits than its factorization.

52130403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075 (or 4072 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 52130403 is about 7220.1387105789. The cubic root of 52130403 is about 373.5628620612.

Adding to 52130403 its reverse (30403125), we get a palindrome (82533528).

The spelling of 52130403 in words is "fifty-two million, one hundred thirty thousand, four hundred three".