2251829 has 2 divisors, whose sum is σ = 2251830. Its totient is φ = 2251828.

The previous prime is 2251819. The next prime is 2251841. The reversal of 2251829 is 9281522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1965604 + 286225 = 1402^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251829 - 2⁸ = 2251573 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125914 + 1125915.

It is an arithmetic number, because the mean of its divisors is an integer number (1125915).

2^2251829 is an apocalyptic number.

It is an amenable number.

2251829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251829 is an equidigital number, since it uses as much as digits as its factorization.

2251829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 29.

The square root of 2251829 is about 1500.6095428192. The cubic root of 2251829 is about 131.0725662866.

The spelling of 2251829 in words is "two million, two hundred fifty-one thousand, eight hundred twenty-nine".