3725231 has 2 divisors, whose sum is σ = 3725232. Its totient is φ = 3725230.

The previous prime is 3725221. The next prime is 3725233. The reversal of 3725231 is 1325273.

It is a strong prime.

It is an emirp because it is prime and its reverse (1325273) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3725231 - 2¹⁴ = 3708847 is a prime.

It is a super-2 number, since 2×3725231² = 27754692006722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 3725233, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₂₆₅₀₇₃ and since 3725231 and 265073 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 3725197 and 3725206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3725233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1862615 + 1862616.

It is an arithmetic number, because the mean of its divisors is an integer number (1862616).

Almost surely, 2^3725231 is an apocalyptic number.

3725231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3725231 is an equidigital number, since it uses as much as digits as its factorization.

3725231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 23.

The square root of 3725231 is about 1930.0857493904. The cubic root of 3725231 is about 155.0188114526.

The spelling of 3725231 in words is "three million, seven hundred twenty-five thousand, two hundred thirty-one".