2012251 has 4 divisors (see below), whose sum is σ = 2050272. Its totient is φ = 1974232.

The previous prime is 2012243. The next prime is 2012287. The reversal of 2012251 is 1522102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1522102 = 2 ⋅761051.

It is a cyclic number.

It is not a de Polignac number, because 2012251 - 2³ = 2012243 is a prime.

It is a Duffinian number.

2012251 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2012221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18931 + ... + 19036.

It is an arithmetic number, because the mean of its divisors is an integer number (512568).

2^2012251 is an apocalyptic number.

2012251 is a deficient number, since it is larger than the sum of its proper divisors (38021).

2012251 is an equidigital number, since it uses as much as digits as its factorization.

2012251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38020.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2012251 is about 1418.5383322279. The cubic root of 2012251 is about 126.2488363779.

Adding to 2012251 its reverse (1522102), we get a palindrome (3534353).

The spelling of 2012251 in words is "two million, twelve thousand, two hundred fifty-one".