38561101 has 4 divisors (see below), whose sum is σ = 38577600. Its totient is φ = 38544604.

The previous prime is 38561099. The next prime is 38561111. The reversal of 38561101 is 10116583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10116583 = 2399 ⋅4217.

It is a cyclic number.

It is not a de Polignac number, because 38561101 - 2¹ = 38561099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38561111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4021 + ... + 9658.

It is an arithmetic number, because the mean of its divisors is an integer number (9644400).

Almost surely, 2^38561101 is an apocalyptic number.

It is an amenable number.

38561101 is a deficient number, since it is larger than the sum of its proper divisors (16499).

38561101 is a wasteful number, since it uses less digits than its factorization.

38561101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16498.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 38561101 is about 6209.7585299269. The cubic root of 38561101 is about 337.8442059457.

Adding to 38561101 its reverse (10116583), we get a palindrome (48677684).

The spelling of 38561101 in words is "thirty-eight million, five hundred sixty-one thousand, one hundred one".