375861 has 4 divisors (see below), whose sum is σ = 501152. Its totient is φ = 250572.

The previous prime is 375857. The next prime is 375899. The reversal of 375861 is 168573.

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.

It is not a de Polignac number, because 375861 - 2² = 375857 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62641 + ... + 62646.

It is an arithmetic number, because the mean of its divisors is an integer number (125288).

2³⁷⁵⁸⁶¹ is an apocalyptic number.

It is an amenable number.

375861 is a deficient number, since it is larger than the sum of its proper divisors (125291).

375861 is a wasteful number, since it uses less digits than its factorization.

375861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125290.

The product of its digits is 5040, while the sum is 30.

The square root of 375861 is about 613.0750361905. The cubic root of 375861 is about 72.1676264139.

The spelling of 375861 in words is "three hundred seventy-five thousand, eight hundred sixty-one".