205013151 has 24 divisors (see below), whose sum is σ = 350107680. Its totient is φ = 113109696.

The previous prime is 205013143. The next prime is 205013167. The reversal of 205013151 is 151310502.

It is not a de Polignac number, because 205013151 - 2³ = 205013143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205013101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54280 + ... + 57933.

It is an arithmetic number, because the mean of its divisors is an integer number (14587820).

Almost surely, 2^205013151 is an apocalyptic number.

205013151 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

205013151 is a deficient number, since it is larger than the sum of its proper divisors (145094529).

205013151 is a wasteful number, since it uses less digits than its factorization.

205013151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112255 (or 112252 counting only the distinct ones).

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

The square root of 205013151 is about 14318.2803087522. The cubic root of 205013151 is about 589.6494623685.

Adding to 205013151 its reverse (151310502), we get a palindrome (356323653).

The spelling of 205013151 in words is "two hundred five million, thirteen thousand, one hundred fifty-one".