38725505 has 24 divisors (see below), whose sum is σ = 57517632. Its totient is φ = 24508224.

The previous prime is 38725501. The next prime is 38725529. The reversal of 38725505 is 50552783.

38725505 = 480² + 481² + ... + 609².

38725505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38725505 - 2² = 38725501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38725501) 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 23 ways as a sum of consecutive naturals, for example, 2642 + ... + 9188.

It is an arithmetic number, because the mean of its divisors is an integer number (2396568).

Almost surely, 2^38725505 is an apocalyptic number.

38725505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38725505 is a deficient number, since it is larger than the sum of its proper divisors (18792127).

38725505 is a wasteful number, since it uses less digits than its factorization.

38725505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6585 (or 6572 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 38725505 is about 6222.9820022237. The cubic root of 38725505 is about 338.3236544803.

The spelling of 38725505 in words is "thirty-eight million, seven hundred twenty-five thousand, five hundred five".