2043251 has 20 divisors (see below), whose sum is σ = 2554512. Its totient is φ = 1629936.

The previous prime is 2043199. The next prime is 2043257. The reversal of 2043251 is 1523402.

It is not a de Polignac number, because 2043251 - 2⁶ = 2043187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043257) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55205 + ... + 55241.

2^2043251 is an apocalyptic number.

2043251 is a deficient number, since it is larger than the sum of its proper divisors (511261).

2043251 is an frugal number, since it uses more digits than its factorization.

2043251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2043251 is about 1429.4233102899. The cubic root of 2043251 is about 126.8938497558.

Adding to 2043251 its reverse (1523402), we get a palindrome (3566653).

The spelling of 2043251 in words is "two million, forty-three thousand, two hundred fifty-one".