203561052 has 24 divisors (see below), whose sum is σ = 478396800. Its totient is φ = 67364976.

The previous prime is 203561027. The next prime is 203561101. The reversal of 203561052 is 250165302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59352 + ... + 62687.

It is an arithmetic number, because the mean of its divisors is an integer number (19933200).

Almost surely, 2^203561052 is an apocalyptic number.

It is an amenable number.

203561052 is an abundant number, since it is smaller than the sum of its proper divisors (274835748).

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

203561052 is a wasteful number, since it uses less digits than its factorization.

203561052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122185 (or 122183 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 203561052 is about 14267.4823287082. The cubic root of 203561052 is about 588.2540089097.

The spelling of 203561052 in words is "two hundred three million, five hundred sixty-one thousand, fifty-two".