205252452 has 18 divisors (see below), whose sum is σ = 518832678. Its totient is φ = 68417472.

The previous prime is 205252427. The next prime is 205252477. The reversal of 205252452 is 254252502.

205252452 is a `hidden beast` number, since 205 + 2 + 5 + 2 + 452 = 666.

It is an interprime number because it is at equal distance from previous prime (205252427) and next prime (205252477).

It can be written as a sum of positive squares in only one way, i.e., 159365376 + 45887076 = 12624^2 + 6774^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2850693 + ... + 2850764.

Almost surely, 2^205252452 is an apocalyptic number.

It is an amenable number.

205252452 is an abundant number, since it is smaller than the sum of its proper divisors (313580226).

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

205252452 is a wasteful number, since it uses less digits than its factorization.

205252452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5701467 (or 5701462 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 205252452 is about 14326.6343570289. The cubic root of 205252452 is about 589.8787953648.

Subtracting 205252452 from its reverse (254252502), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 205252452 in words is "two hundred five million, two hundred fifty-two thousand, four hundred fifty-two".