1626425 has 12 divisors (see below), whose sum is σ = 2048976. Its totient is φ = 1280400.

The previous prime is 1626379. The next prime is 1626431. The reversal of 1626425 is 5246261.

It is not a de Polignac number, because 1626425 - 2²⁰ = 577849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1626394 and 1626403.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1190 + ... + 2160.

It is an arithmetic number, because the mean of its divisors is an integer number (170748).

2^1626425 is an apocalyptic number.

It is an amenable number.

1626425 is a deficient number, since it is larger than the sum of its proper divisors (422551).

1626425 is an equidigital number, since it uses as much as digits as its factorization.

1626425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1043 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 1626425 is about 1275.3136869022. The cubic root of 1626425 is about 117.6010900064.

The spelling of 1626425 in words is "one million, six hundred twenty-six thousand, four hundred twenty-five".