38361561 has 24 divisors (see below), whose sum is σ = 59901984. Its totient is φ = 21772800.

The previous prime is 38361523. The next prime is 38361599. The reversal of 38361561 is 16516383.

38361561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38361523) and next prime (38361599).

It is not a de Polignac number, because 38361561 - 2¹¹ = 38359513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38361511) 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 23 ways as a sum of consecutive naturals, for example, 23161 + ... + 24761.

It is an arithmetic number, because the mean of its divisors is an integer number (2495916).

Almost surely, 2^38361561 is an apocalyptic number.

It is an amenable number.

38361561 is a deficient number, since it is larger than the sum of its proper divisors (21540423).

38361561 is a wasteful number, since it uses less digits than its factorization.

38361561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781 (or 1774 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 38361561 is about 6193.6710438963. The cubic root of 38361561 is about 337.2604566342.

The spelling of 38361561 in words is "thirty-eight million, three hundred sixty-one thousand, five hundred sixty-one".