535638983 has 4 divisors (see below), whose sum is σ = 584333448. Its totient is φ = 486944520.

The previous prime is 535638977. The next prime is 535638991. The reversal of 535638983 is 389836535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 535638983 - 2⁶ = 535638919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535638083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24347216 + ... + 24347237.

It is an arithmetic number, because the mean of its divisors is an integer number (146083362).

Almost surely, 2^535638983 is an apocalyptic number.

535638983 is a deficient number, since it is larger than the sum of its proper divisors (48694465).

535638983 is a wasteful number, since it uses less digits than its factorization.

535638983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48694464.

The product of its digits is 2332800, while the sum is 50.

The square root of 535638983 is about 23143.8757125940. The cubic root of 535638983 is about 812.1272050102.

The spelling of 535638983 in words is "five hundred thirty-five million, six hundred thirty-eight thousand, nine hundred eighty-three".