3625871 has 4 divisors (see below), whose sum is σ = 3642072. Its totient is φ = 3609672.

The previous prime is 3625859. The next prime is 3625873. The reversal of 3625871 is 1785263.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1785263 = 41 ⋅43543.

It is a cyclic number.

It is not a de Polignac number, because 3625871 - 2⁶ = 3625807 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 (3625873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7760 + ... + 8213.

It is an arithmetic number, because the mean of its divisors is an integer number (910518).

Almost surely, 2^3625871 is an apocalyptic number.

3625871 is a deficient number, since it is larger than the sum of its proper divisors (16201).

3625871 is a wasteful number, since it uses less digits than its factorization.

3625871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16200.

The product of its digits is 10080, while the sum is 32.

The square root of 3625871 is about 1904.1719985337. The cubic root of 3625871 is about 153.6281436919.

The spelling of 3625871 in words is "three million, six hundred twenty-five thousand, eight hundred seventy-one".