205113501 has 12 divisors (see below), whose sum is σ = 299845728. Its totient is φ = 135094344.

The previous prime is 205113497. The next prime is 205113521. The reversal of 205113501 is 105311502.

205113501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 205113501 - 2² = 205113497 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205113521) 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, 136545 + ... + 138038.

It is an arithmetic number, because the mean of its divisors is an integer number (24987144).

Almost surely, 2^205113501 is an apocalyptic number.

It is an amenable number.

205113501 is a deficient number, since it is larger than the sum of its proper divisors (94732227).

205113501 is a wasteful number, since it uses less digits than its factorization.

205113501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274672 (or 274669 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 205113501 is about 14321.7841416494. The cubic root of 205113501 is about 589.7456540380.

The spelling of 205113501 in words is "two hundred five million, one hundred thirteen thousand, five hundred one".