3725857 has 2 divisors, whose sum is σ = 3725858. Its totient is φ = 3725856.

The previous prime is 3725849. The next prime is 3725879. The reversal of 3725857 is 7585273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2359296 + 1366561 = 1536^2 + 1169^2 .

It is an emirp because it is prime and its reverse (7585273) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3725857 - 2³ = 3725849 is a prime.

It is a d-powerful number, because it can be written as 3⁸ + 7⁷ + 2¹³ + 5⁷ + 8⁵ + 5⁹ + 7⁷ .

It is not a weakly prime, because it can be changed into another prime (3725257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1862928 + 1862929.

It is an arithmetic number, because the mean of its divisors is an integer number (1862929).

Almost surely, 2^3725857 is an apocalyptic number.

It is an amenable number.

3725857 is a deficient number, since it is larger than the sum of its proper divisors (1).

3725857 is an equidigital number, since it uses as much as digits as its factorization.

3725857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58800, while the sum is 37.

The square root of 3725857 is about 1930.2479115388. The cubic root of 3725857 is about 155.0274942556.

The spelling of 3725857 in words is "three million, seven hundred twenty-five thousand, eight hundred fifty-seven".