38781125 has 12 divisors (see below), whose sum is σ = 48485892. Its totient is φ = 30969200.

The previous prime is 38781103. The next prime is 38781133. The reversal of 38781125 is 52118783.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 30492484 + 8288641 = 5522^2 + 2879^2 .

It is not a de Polignac number, because 38781125 - 2¹⁴ = 38764741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69347 + ... + 69903.

It is an arithmetic number, because the mean of its divisors is an integer number (4040491).

Almost surely, 2^38781125 is an apocalyptic number.

It is an amenable number.

38781125 is a deficient number, since it is larger than the sum of its proper divisors (9704767).

38781125 is an frugal number, since it uses more digits than its factorization.

38781125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129 (or 562 counting only the distinct ones).

The product of its digits is 13440, while the sum is 35.

The square root of 38781125 is about 6227.4493173369. The cubic root of 38781125 is about 338.4855508830.

The spelling of 38781125 in words is "thirty-eight million, seven hundred eighty-one thousand, one hundred twenty-five".