1683456225 has 48 divisors (see below), whose sum is σ = 3093712704. Its totient is φ = 800800000.

The previous prime is 1683456217. The next prime is 1683456233. The reversal of 1683456225 is 5226543861.

It is an interprime number because it is at equal distance from previous prime (1683456217) and next prime (1683456233).

It is not a de Polignac number, because 1683456225 - 2³ = 1683456217 is a prime.

It is a super-2 number, since 2×1683456225² = 5668049722982501250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24475 + ... + 62975.

It is an arithmetic number, because the mean of its divisors is an integer number (64452348).

Almost surely, 2^1683456225 is an apocalyptic number.

1683456225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1683456225 is a deficient number, since it is larger than the sum of its proper divisors (1410256479).

1683456225 is a wasteful number, since it uses less digits than its factorization.

1683456225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38578 (or 38573 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 1683456225 is about 41029.9430294511. The cubic root of 1683456225 is about 1189.5990516566.

The spelling of 1683456225 in words is "one billion, six hundred eighty-three million, four hundred fifty-six thousand, two hundred twenty-five".