1982735025 has 24 divisors (see below), whose sum is σ = 3450657120. Its totient is φ = 1001802240.

The previous prime is 1982735023. The next prime is 1982735039. The reversal of 1982735025 is 5205372891.

It is a happy number.

It is not a de Polignac number, because 1982735025 - 2¹ = 1982735023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1982735023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 694272 + ... + 697121.

It is an arithmetic number, because the mean of its divisors is an integer number (143777380).

Almost surely, 2^1982735025 is an apocalyptic number.

1982735025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1982735025 is a deficient number, since it is larger than the sum of its proper divisors (1467922095).

1982735025 is a wasteful number, since it uses less digits than its factorization.

1982735025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391425 (or 1391420 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 1982735025 is about 44527.9128749597. The cubic root of 1982735025 is about 1256.2851498791.

The spelling of 1982735025 in words is "one billion, nine hundred eighty-two million, seven hundred thirty-five thousand, twenty-five".