538475652 has 216 divisors, whose sum is σ = 1661209368. Its totient is φ = 145981440.

The previous prime is 538475603. The next prime is 538475653. The reversal of 538475652 is 256574835.

538475652 is a `hidden beast` number, since 5 + 3 + 84 + 7 + 565 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 253000836 + 285474816 = 15906^2 + 16896^2 .

It is a junction number, because it is equal to n+sod(n) for n = 538475598 and 538475607.

It is not an unprimeable number, because it can be changed into a prime (538475653) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2095108 + ... + 2095364.

Almost surely, 2^538475652 is an apocalyptic number.

538475652 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538475652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830604684).

538475652 is an abundant number, since it is smaller than the sum of its proper divisors (1122733716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538475652 is a wasteful number, since it uses less digits than its factorization.

538475652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 323 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 538475652 is about 23205.0781511289. The cubic root of 538475652 is about 813.5583189432.

The spelling of 538475652 in words is "five hundred thirty-eight million, four hundred seventy-five thousand, six hundred fifty-two".