38125905 has 16 divisors (see below), whose sum is σ = 61084800. Its totient is φ = 20306048.

The previous prime is 38125903. The next prime is 38125943. The reversal of 38125905 is 50952183.

It is a cyclic number.

It is not a de Polignac number, because 38125905 - 2¹ = 38125903 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38125903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14524 + ... + 16946.

It is an arithmetic number, because the mean of its divisors is an integer number (3817800).

Almost surely, 2^38125905 is an apocalyptic number.

It is an amenable number.

38125905 is a deficient number, since it is larger than the sum of its proper divisors (22958895).

38125905 is a wasteful number, since it uses less digits than its factorization.

38125905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 38125905 is about 6174.6178019372. The cubic root of 38125905 is about 336.5684379419.

The spelling of 38125905 in words is "thirty-eight million, one hundred twenty-five thousand, nine hundred five".