983540545 has 16 divisors (see below), whose sum is σ = 1277638992. Its totient is φ = 722534400.

The previous prime is 983540527. The next prime is 983540563. The reversal of 983540545 is 545045389.

It is an interprime number because it is at equal distance from previous prime (983540527) and next prime (983540563).

It can be written as a sum of positive squares in 8 ways, for example, as 153664 + 983386881 = 392^2 + 31359^2 .

It is not a de Polignac number, because 983540545 - 2⁷ = 983540417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26656 + ... + 51745.

It is an arithmetic number, because the mean of its divisors is an integer number (79852437).

Almost surely, 2^983540545 is an apocalyptic number.

It is an amenable number.

983540545 is a deficient number, since it is larger than the sum of its proper divisors (294098447).

983540545 is a wasteful number, since it uses less digits than its factorization.

983540545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78612.

The product of its (nonzero) digits is 432000, while the sum is 43.

The square root of 983540545 is about 31361.4499824227. The cubic root of 983540545 is about 994.4831351725.

The spelling of 983540545 in words is "nine hundred eighty-three million, five hundred forty thousand, five hundred forty-five".