1975545925 has 12 divisors (see below), whose sum is σ = 2450681316. Its totient is φ = 1579788800.

The previous prime is 1975545907. The next prime is 1975545931. The reversal of 1975545925 is 5295455791.

It can be written as a sum of positive squares in 6 ways, for example, as 49477156 + 1926068769 = 7034^2 + 43887^2 .

It is not a de Polignac number, because 1975545925 - 2²⁷ = 1841328197 is a prime.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 51555 + ... + 81295.

It is an arithmetic number, because the mean of its divisors is an integer number (204223443).

Almost surely, 2^1975545925 is an apocalyptic number.

It is an amenable number.

1975545925 is a deficient number, since it is larger than the sum of its proper divisors (475135391).

1975545925 is a wasteful number, since it uses less digits than its factorization.

1975545925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32408 (or 32403 counting only the distinct ones).

The product of its digits is 2835000, while the sum is 52.

The square root of 1975545925 is about 44447.1137983109. The cubic root of 1975545925 is about 1254.7649438351.

The spelling of 1975545925 in words is "one billion, nine hundred seventy-five million, five hundred forty-five thousand, nine hundred twenty-five".