52620130 has 8 divisors (see below), whose sum is σ = 94716252. Its totient is φ = 21048048.

The previous prime is 52620109. The next prime is 52620137. The reversal of 52620130 is 3102625.

It is a happy number.

52620130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 50537881 + 2082249 = 7109^2 + 1443^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 52620098 and 52620107.

It is not an unprimeable number, because it can be changed into a prime (52620137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2630997 + ... + 2631016.

Almost surely, 2^52620130 is an apocalyptic number.

52620130 is a deficient number, since it is larger than the sum of its proper divisors (42096122).

52620130 is a wasteful number, since it uses less digits than its factorization.

52620130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5262020.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 52620130 is about 7253.9733939407. The cubic root of 52620130 is about 374.7290012433.

Adding to 52620130 its reverse (3102625), we get a palindrome (55722755).

The spelling of 52620130 in words is "fifty-two million, six hundred twenty thousand, one hundred thirty".