1675428625 has 32 divisors (see below), whose sum is σ = 2384272800. Its totient is φ = 1164441600.

The previous prime is 1675428619. The next prime is 1675428637. The reversal of 1675428625 is 5268245761.

It is a Cunningham number, because it is equal to 40932²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 889411329 + 786017296 = 29823^2 + 28036^2 .

It is not a de Polignac number, because 1675428625 - 2⁷ = 1675428497 is a prime.

It is a super-2 number, since 2×1675428625² = 5614122154938781250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2700 + ... + 57949.

It is an arithmetic number, because the mean of its divisors is an integer number (74508525).

Almost surely, 2^1675428625 is an apocalyptic number.

It is an amenable number.

1675428625 is a deficient number, since it is larger than the sum of its proper divisors (708844175).

1675428625 is a wasteful number, since it uses less digits than its factorization.

1675428625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60694 (or 60684 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The square root of 1675428625 is about 40932.0000122154. Note that the first 4 decimals coincide. The cubic root of 1675428625 is about 1187.7051612287.

The spelling of 1675428625 in words is "one billion, six hundred seventy-five million, four hundred twenty-eight thousand, six hundred twenty-five".