2251427 has 2 divisors, whose sum is σ = 2251428. Its totient is φ = 2251426.

The previous prime is 2251423. The next prime is 2251451. The reversal of 2251427 is 7241522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2251427 - 2² = 2251423 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2251423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125713 + 1125714.

It is an arithmetic number, because the mean of its divisors is an integer number (1125714).

2^2251427 is an apocalyptic number.

2251427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251427 is an equidigital number, since it uses as much as digits as its factorization.

2251427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120, while the sum is 23.

The square root of 2251427 is about 1500.4755912710. The cubic root of 2251427 is about 131.0647660632.

Adding to 2251427 its reverse (7241522), we get a palindrome (9492949).

The spelling of 2251427 in words is "two million, two hundred fifty-one thousand, four hundred twenty-seven".