38573561 has 16 divisors (see below), whose sum is σ = 44198784. Its totient is φ = 33348864.

The previous prime is 38573539. The next prime is 38573569. The reversal of 38573561 is 16537583.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38573561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38573569) 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, 76436 + ... + 76938.

It is an arithmetic number, because the mean of its divisors is an integer number (2762424).

Almost surely, 2^38573561 is an apocalyptic number.

It is an amenable number.

38573561 is a deficient number, since it is larger than the sum of its proper divisors (5625223).

38573561 is a wasteful number, since it uses less digits than its factorization.

38573561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880.

The product of its digits is 75600, while the sum is 38.

The square root of 38573561 is about 6210.7617085185. The cubic root of 38573561 is about 337.8805905006.

The spelling of 38573561 in words is "thirty-eight million, five hundred seventy-three thousand, five hundred sixty-one".