38253505 has 4 divisors (see below), whose sum is σ = 45904212. Its totient is φ = 30602800.

The previous prime is 38253503. The next prime is 38253557. The reversal of 38253505 is 50535283.

38253505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29767936 + 8485569 = 5456^2 + 2913^2 .

It is not a de Polignac number, because 38253505 - 2¹ = 38253503 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38253503) 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, 3825346 + ... + 3825355.

It is an arithmetic number, because the mean of its divisors is an integer number (11476053).

Almost surely, 2^38253505 is an apocalyptic number.

It is an amenable number.

38253505 is a deficient number, since it is larger than the sum of its proper divisors (7650707).

38253505 is an equidigital number, since it uses as much as digits as its factorization.

38253505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7650706.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 38253505 is about 6184.9417943906. The cubic root of 38253505 is about 336.9434962369.

Adding to 38253505 its reverse (50535283), we get a palindrome (88788788).

The spelling of 38253505 in words is "thirty-eight million, two hundred fifty-three thousand, five hundred five".