205146051 has 16 divisors (see below), whose sum is σ = 302600448. Its totient is φ = 122578400.

The previous prime is 205146043. The next prime is 205146061. The reversal of 205146051 is 150641502.

205146051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 205146051 - 2³ = 205146043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205146061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41436 + ... + 46121.

It is an arithmetic number, because the mean of its divisors is an integer number (18912528).

Almost surely, 2^205146051 is an apocalyptic number.

205146051 is a deficient number, since it is larger than the sum of its proper divisors (97454397).

205146051 is a wasteful number, since it uses less digits than its factorization.

205146051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87642.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 205146051 is about 14322.9204773328. The cubic root of 205146051 is about 589.7768484833.

Adding to 205146051 its reverse (150641502), we get a palindrome (355787553).

It can be divided in two parts, 20514 and 6051, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 205146051 in words is "two hundred five million, one hundred forty-six thousand, fifty-one".