1678548325 has 12 divisors (see below), whose sum is σ = 2095373700. Its totient is φ = 1333823360.

The previous prime is 1678548317. The next prime is 1678548341. The reversal of 1678548325 is 5238458761.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 361874529 + 1316673796 = 19023^2 + 36286^2 .

It is not a de Polignac number, because 1678548325 - 2³ = 1678548317 is a prime.

It is a congruent number.

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, 221584 + ... + 229033.

It is an arithmetic number, because the mean of its divisors is an integer number (174614475).

Almost surely, 2^1678548325 is an apocalyptic number.

It is an amenable number.

1678548325 is a deficient number, since it is larger than the sum of its proper divisors (416825375).

1678548325 is a wasteful number, since it uses less digits than its factorization.

1678548325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450776 (or 450771 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 49.

The square root of 1678548325 is about 40970.0906149840. The cubic root of 1678548325 is about 1188.4418854173.

The spelling of 1678548325 in words is "one billion, six hundred seventy-eight million, five hundred forty-eight thousand, three hundred twenty-five".