2251012 has 6 divisors (see below), whose sum is σ = 3939278. Its totient is φ = 1125504.

The previous prime is 2251001. The next prime is 2251031. The reversal of 2251012 is 2101522.

It can be written as a sum of positive squares in only one way, i.e., 2238016 + 12996 = 1496^2 + 114^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2250983 and 2251001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281373 + ... + 281380.

2^2251012 is an apocalyptic number.

It is an amenable number.

2251012 is a deficient number, since it is larger than the sum of its proper divisors (1688266).

2251012 is a wasteful number, since it uses less digits than its factorization.

2251012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562757 (or 562755 counting only the distinct ones).

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

The square root of 2251012 is about 1500.3372954106. The cubic root of 2251012 is about 131.0567126198.

Adding to 2251012 its reverse (2101522), we get a palindrome (4352534).

It can be divided in two parts, 22510 and 12, that added together give a palindrome (22522).

The spelling of 2251012 in words is "two million, two hundred fifty-one thousand, twelve".