532913638 has 4 divisors (see below), whose sum is σ = 799370460. Its totient is φ = 266456818.

The previous prime is 532913573. The next prime is 532913669. The reversal of 532913638 is 836319235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 836319235 = 5 ⋅167263847.

It is a self number, because there is not a number n which added to its sum of digits gives 532913638.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133228408 + ... + 133228411.

It is an arithmetic number, because the mean of its divisors is an integer number (199842615).

Almost surely, 2^532913638 is an apocalyptic number.

532913638 is a deficient number, since it is larger than the sum of its proper divisors (266456822).

532913638 is a wasteful number, since it uses less digits than its factorization.

532913638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266456821.

The product of its digits is 116640, while the sum is 40.

The square root of 532913638 is about 23084.9223087278. The cubic root of 532913638 is about 810.7474876034.

The spelling of 532913638 in words is "five hundred thirty-two million, nine hundred thirteen thousand, six hundred thirty-eight".