38520052 has 6 divisors (see below), whose sum is σ = 67410098. Its totient is φ = 19260024.

The previous prime is 38520047. The next prime is 38520059. The reversal of 38520052 is 25002583.

38520052 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 only one way, i.e., 29008996 + 9511056 = 5386^2 + 3084^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38519999 and 38520026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38520059) 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 as a sum of consecutive naturals, namely, 4815003 + ... + 4815010.

Almost surely, 2^38520052 is an apocalyptic number.

It is an amenable number.

38520052 is a deficient number, since it is larger than the sum of its proper divisors (28890046).

38520052 is a wasteful number, since it uses less digits than its factorization.

38520052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9630017 (or 9630015 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 38520052 is about 6206.4524488632. The cubic root of 38520052 is about 337.7242829289.

The spelling of 38520052 in words is "thirty-eight million, five hundred twenty thousand, fifty-two".