1652378125 has 24 divisors (see below), whose sum is σ = 2075257800. Its totient is φ = 1315560000.

The previous prime is 1652378113. The next prime is 1652378137. The reversal of 1652378125 is 5218732561.

It is an interprime number because it is at equal distance from previous prime (1652378113) and next prime (1652378137).

It can be written as a sum of positive squares in 12 ways, for example, as 1298449156 + 353928969 = 36034^2 + 18813^2 .

It is not a de Polignac number, because 1652378125 - 2⁵ = 1652378093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 714471 + ... + 716779.

It is an arithmetic number, because the mean of its divisors is an integer number (86469075).

Almost surely, 2^1652378125 is an apocalyptic number.

It is an amenable number.

1652378125 is a deficient number, since it is larger than the sum of its proper divisors (422879675).

1652378125 is an frugal number, since it uses more digits than its factorization.

1652378125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563 (or 2543 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 1652378125 is about 40649.4541783774. The cubic root of 1652378125 is about 1182.2331847837.

The spelling of 1652378125 in words is "one billion, six hundred fifty-two million, three hundred seventy-eight thousand, one hundred twenty-five".