1983532461 has 16 divisors (see below), whose sum is σ = 2663980800. Its totient is φ = 1312754688.

The previous prime is 1983532457. The next prime is 1983532469. The reversal of 1983532461 is 1642353891.

It is not a de Polignac number, because 1983532461 - 2² = 1983532457 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983532469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237525 + ... + 245733.

It is an arithmetic number, because the mean of its divisors is an integer number (166498800).

Almost surely, 2^1983532461 is an apocalyptic number.

It is an amenable number.

1983532461 is a deficient number, since it is larger than the sum of its proper divisors (680448339).

1983532461 is a wasteful number, since it uses less digits than its factorization.

1983532461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8788.

The product of its digits is 155520, while the sum is 42.

The square root of 1983532461 is about 44536.8663132017. The cubic root of 1983532461 is about 1256.4535490376.

The spelling of 1983532461 in words is "one billion, nine hundred eighty-three million, five hundred thirty-two thousand, four hundred sixty-one".