3725131 has 4 divisors (see below), whose sum is σ = 3729600. Its totient is φ = 3720664.

The previous prime is 3725119. The next prime is 3725147. The reversal of 3725131 is 1315273.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1315273 = 17 ⋅77369.

It is a cyclic number.

It is not a de Polignac number, because 3725131 - 2¹⁵ = 3692363 is a prime.

It is a super-2 number, since 2×3725131² = 27753201934322, which contains 22 as substring.

It is a Duffinian 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, 571 + ... + 2788.

It is an arithmetic number, because the mean of its divisors is an integer number (932400).

Almost surely, 2^3725131 is an apocalyptic number.

3725131 is a deficient number, since it is larger than the sum of its proper divisors (4469).

3725131 is a wasteful number, since it uses less digits than its factorization.

3725131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468.

The product of its digits is 630, while the sum is 22.

The square root of 3725131 is about 1930.0598436318. The cubic root of 3725131 is about 155.0174243332.

The spelling of 3725131 in words is "three million, seven hundred twenty-five thousand, one hundred thirty-one".