1425630 has 16 divisors (see below), whose sum is σ = 3421584. Its totient is φ = 380160.

The previous prime is 1425629. The next prime is 1425649. The reversal of 1425630 is 365241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1425597 and 1425606.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 23731 + ... + 23790.

It is an arithmetic number, because the mean of its divisors is an integer number (213849).

2^1425630 is an apocalyptic number.

1425630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1425630 is an abundant number, since it is smaller than the sum of its proper divisors (1995954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425630 is a wasteful number, since it uses less digits than its factorization.

1425630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47531.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1425630 is about 1193.9974874345. The cubic root of 1425630 is about 112.5474367851.

The spelling of 1425630 in words is "one million, four hundred twenty-five thousand, six hundred thirty".