3725971 has 2 divisors, whose sum is σ = 3725972. Its totient is φ = 3725970.

The previous prime is 3725963. The next prime is 3725987. The reversal of 3725971 is 1795273.

It is a weak prime.

It is an emirp because it is prime and its reverse (1795273) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3725971 - 2³ = 3725963 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3725951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1862985 + 1862986.

It is an arithmetic number, because the mean of its divisors is an integer number (1862986).

Almost surely, 2^3725971 is an apocalyptic number.

3725971 is a deficient number, since it is larger than the sum of its proper divisors (1).

3725971 is an equidigital number, since it uses as much as digits as its factorization.

3725971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 34.

The square root of 3725971 is about 1930.2774411985. The cubic root of 3725971 is about 155.0290753642.

The spelling of 3725971 in words is "three million, seven hundred twenty-five thousand, nine hundred seventy-one".