1925974485 has 12 divisors (see below), whose sum is σ = 3338355852. Its totient is φ = 1027186368.

The previous prime is 1925974481. The next prime is 1925974499. The reversal of 1925974485 is 5844795291.

It is a happy number.

1925974485 is a `hidden beast` number, since 1 + 9 + 2 + 597 + 4 + 48 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 880486929 + 1045487556 = 29673^2 + 32334^2 .

It is not a de Polignac number, because 1925974485 - 2² = 1925974481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1925974481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21399672 + ... + 21399761.

It is an arithmetic number, because the mean of its divisors is an integer number (278196321).

Almost surely, 2^1925974485 is an apocalyptic number.

1925974485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1925974485 is a deficient number, since it is larger than the sum of its proper divisors (1412381367).

1925974485 is a wasteful number, since it uses less digits than its factorization.

1925974485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42799444 (or 42799441 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 1925974485 is about 43885.9258191051. The cubic root of 1925974485 is about 1244.1808420920.

The spelling of 1925974485 in words is "one billion, nine hundred twenty-five million, nine hundred seventy-four thousand, four hundred eighty-five".