203150061 has 12 divisors (see below), whose sum is σ = 294183292. Its totient is φ = 135089856.

The previous prime is 203150023. The next prime is 203150081. The reversal of 203150061 is 160051302.

It can be written as a sum of positive squares in 2 ways, for example, as 110124036 + 93026025 = 10494^2 + 9645^2 .

It is not a de Polignac number, because 203150061 - 2¹⁵ = 203117293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203150011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24856 + ... + 32001.

Almost surely, 2^203150061 is an apocalyptic number.

It is an amenable number.

203150061 is a deficient number, since it is larger than the sum of its proper divisors (91033231).

203150061 is a wasteful number, since it uses less digits than its factorization.

203150061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57260 (or 57257 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 203150061 is about 14253.0719846635. The cubic root of 203150061 is about 587.8578460329.

The spelling of 203150061 in words is "two hundred three million, one hundred fifty thousand, sixty-one".