38725105 has 8 divisors (see below), whose sum is σ = 46810152. Its totient is φ = 30753408.

The previous prime is 38725091. The next prime is 38725111. The reversal of 38725105 is 50152783.

It can be written as a sum of positive squares in 4 ways, for example, as 136161 + 38588944 = 369^2 + 6212^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 38725105 - 2¹⁵ = 38692337 is a prime.

It is a super-2 number, since 2×38725105² = 2999267514522050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27582 + ... + 28951.

It is an arithmetic number, because the mean of its divisors is an integer number (5851269).

Almost surely, 2^38725105 is an apocalyptic number.

It is an amenable number.

38725105 is a deficient number, since it is larger than the sum of its proper divisors (8085047).

38725105 is a wasteful number, since it uses less digits than its factorization.

38725105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56675.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 38725105 is about 6222.9498632080. The cubic root of 38725105 is about 338.3224896155.

Adding to 38725105 its reverse (50152783), we get a palindrome (88877888).

The spelling of 38725105 in words is "thirty-eight million, seven hundred twenty-five thousand, one hundred five".