201552424 has 8 divisors (see below), whose sum is σ = 377910810. Its totient is φ = 100776208.

The previous prime is 201552419. The next prime is 201552443. The reversal of 201552424 is 424255102.

It can be written as a sum of positive squares in only one way, i.e., 149279524 + 52272900 = 12218^2 + 7230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12597019 + ... + 12597034.

Almost surely, 2^201552424 is an apocalyptic number.

It is an amenable number.

201552424 is a deficient number, since it is larger than the sum of its proper divisors (176358386).

201552424 is a wasteful number, since it uses less digits than its factorization.

201552424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25194059 (or 25194055 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 201552424 is about 14196.9160031325. The cubic root of 201552424 is about 586.3127545748.

The spelling of 201552424 in words is "two hundred one million, five hundred fifty-two thousand, four hundred twenty-four".