2251051 has 4 divisors (see below), whose sum is σ = 2455704. Its totient is φ = 2046400.

The previous prime is 2251049. The next prime is 2251057. The reversal of 2251051 is 1501522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2251051 - 2¹ = 2251049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251057) 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, 102310 + ... + 102331.

It is an arithmetic number, because the mean of its divisors is an integer number (613926).

2^2251051 is an apocalyptic number.

2251051 is a deficient number, since it is larger than the sum of its proper divisors (204653).

2251051 is a wasteful number, since it uses less digits than its factorization.

2251051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204652.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2251051 is about 1500.3502924317. The cubic root of 2251051 is about 131.0574694915.

Adding to 2251051 its reverse (1501522), we get a palindrome (3752573).

The spelling of 2251051 in words is "two million, two hundred fifty-one thousand, fifty-one".