1973612825 has 12 divisors (see below), whose sum is σ = 2474780220. Its totient is φ = 1561148160.

The previous prime is 1973612801. The next prime is 1973612831. The reversal of 1973612825 is 5282163791.

It can be written as a sum of positive squares in 6 ways, for example, as 43943641 + 1929669184 = 6629^2 + 43928^2 .

It is not a de Polignac number, because 1973612825 - 2³⁰ = 899871001 is a prime.

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, 441284 + ... + 445733.

It is an arithmetic number, because the mean of its divisors is an integer number (206231685).

Almost surely, 2^1973612825 is an apocalyptic number.

It is an amenable number.

1973612825 is a deficient number, since it is larger than the sum of its proper divisors (501167395).

1973612825 is an equidigital number, since it uses as much as digits as its factorization.

1973612825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887116 (or 887111 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 1973612825 is about 44425.3624070755. The cubic root of 1973612825 is about 1254.3555417774.

The spelling of 1973612825 in words is "one billion, nine hundred seventy-three million, six hundred twelve thousand, eight hundred twenty-five".