203253012 has 18 divisors (see below), whose sum is σ = 513778538. Its totient is φ = 67750992.

The previous prime is 203253007. The next prime is 203253077. The reversal of 203253012 is 210352302.

It can be written as a sum of positive squares in only one way, i.e., 201526416 + 1726596 = 14196^2 + 1314^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 2822923 + ... + 2822994.

Almost surely, 2^203253012 is an apocalyptic number.

It is an amenable number.

203253012 is an abundant number, since it is smaller than the sum of its proper divisors (310525526).

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

203253012 is a wasteful number, since it uses less digits than its factorization.

203253012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5645927 (or 5645922 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 203253012 is about 14256.6830644438. The cubic root of 203253012 is about 587.9571327905.

The spelling of 203253012 in words is "two hundred three million, two hundred fifty-three thousand, twelve".