3725191 has 4 divisors (see below), whose sum is σ = 3735400. Its totient is φ = 3714984.

The previous prime is 3725179. The next prime is 3725203. The reversal of 3725191 is 1915273.

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

It is an interprime number because it is at equal distance from previous prime (3725179) and next prime (3725203).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3725191 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 (3725101) 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 3 ways as a sum of consecutive naturals, for example, 4536 + ... + 5293.

It is an arithmetic number, because the mean of its divisors is an integer number (933850).

Almost surely, 2^3725191 is an apocalyptic number.

3725191 is a deficient number, since it is larger than the sum of its proper divisors (10209).

3725191 is an equidigital number, since it uses as much as digits as its factorization.

3725191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10208.

The product of its digits is 1890, while the sum is 28.

The square root of 3725191 is about 1930.0753871287. The cubic root of 3725191 is about 155.0182566078.

It can be divided in two parts, 3725 and 191, that added together give a triangular number (3916 = T₈₈).

The spelling of 3725191 in words is "three million, seven hundred twenty-five thousand, one hundred ninety-one".