3872251 has 4 divisors (see below), whose sum is σ = 3876192. Its totient is φ = 3868312.

The previous prime is 3872249. The next prime is 3872273. The reversal of 3872251 is 1522783.

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: 1522783 = 919 ⋅1657.

It is a cyclic number.

It is not a de Polignac number, because 3872251 - 2¹ = 3872249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3872201) 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, 846 + ... + 2908.

It is an arithmetic number, because the mean of its divisors is an integer number (969048).

Almost surely, 2^3872251 is an apocalyptic number.

3872251 is a deficient number, since it is larger than the sum of its proper divisors (3941).

3872251 is a wasteful number, since it uses less digits than its factorization.

3872251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940.

The product of its digits is 3360, while the sum is 28.

The square root of 3872251 is about 1967.8035979233. The cubic root of 3872251 is about 157.0318812290.

The spelling of 3872251 in words is "three million, eight hundred seventy-two thousand, two hundred fifty-one".