1425251 has 2 divisors, whose sum is σ = 1425252. Its totient is φ = 1425250.

The previous prime is 1425227. The next prime is 1425253. The reversal of 1425251 is 1525241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1425251 - 2⁶ = 1425187 is a prime.

Together with 1425253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1425253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712625 + 712626.

It is an arithmetic number, because the mean of its divisors is an integer number (712626).

2^1425251 is an apocalyptic number.

1425251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425251 is an equidigital number, since it uses as much as digits as its factorization.

1425251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 400, while the sum is 20.

The square root of 1425251 is about 1193.8387663332. The cubic root of 1425251 is about 112.5374624208.

The spelling of 1425251 in words is "one million, four hundred twenty-five thousand, two hundred fifty-one".