38661125 has 8 divisors (see below), whose sum is σ = 48249240. Its totient is φ = 30928800.

The previous prime is 38661121. The next prime is 38661149. The reversal of 38661125 is 52116683.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 146689 + 38514436 = 383^2 + 6206^2 .

It is not a de Polignac number, because 38661125 - 2² = 38661121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38661091 and 38661100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38661121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154520 + ... + 154769.

It is an arithmetic number, because the mean of its divisors is an integer number (6031155).

Almost surely, 2^38661125 is an apocalyptic number.

It is an amenable number.

38661125 is a deficient number, since it is larger than the sum of its proper divisors (9588115).

38661125 is an equidigital number, since it uses as much as digits as its factorization.

38661125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309304 (or 309294 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 38661125 is about 6217.8070893202. The cubic root of 38661125 is about 338.1360661516.

The spelling of 38661125 in words is "thirty-eight million, six hundred sixty-one thousand, one hundred twenty-five".