38125861 has 4 divisors (see below), whose sum is σ = 38463372. Its totient is φ = 37788352.

The previous prime is 38125853. The next prime is 38125903. The reversal of 38125861 is 16852183.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15752961 + 22372900 = 3969^2 + 4730^2 .

It is a cyclic number.

It is not a de Polignac number, because 38125861 - 2³ = 38125853 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 (38125811) 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, 168586 + ... + 168811.

It is an arithmetic number, because the mean of its divisors is an integer number (9615843).

Almost surely, 2^38125861 is an apocalyptic number.

It is an amenable number.

38125861 is a deficient number, since it is larger than the sum of its proper divisors (337511).

38125861 is a wasteful number, since it uses less digits than its factorization.

38125861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337510.

The product of its digits is 11520, while the sum is 34.

The square root of 38125861 is about 6174.6142389626. The cubic root of 38125861 is about 336.5683084672.

The spelling of 38125861 in words is "thirty-eight million, one hundred twenty-five thousand, eight hundred sixty-one".