1425629 has 2 divisors, whose sum is σ = 1425630. Its totient is φ = 1425628.

The previous prime is 1425607. The next prime is 1425649. The reversal of 1425629 is 9265241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 828100 + 597529 = 910^2 + 773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1425629 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712814 + 712815.

It is an arithmetic number, because the mean of its divisors is an integer number (712815).

2^1425629 is an apocalyptic number.

It is an amenable number.

1425629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425629 is an equidigital number, since it uses as much as digits as its factorization.

1425629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 1425629 is about 1193.9970686731. The cubic root of 1425629 is about 112.5474104698.

The spelling of 1425629 in words is "one million, four hundred twenty-five thousand, six hundred twenty-nine".