263728141 has 2 divisors, whose sum is σ = 263728142. Its totient is φ = 263728140.

The previous prime is 263728121. The next prime is 263728163. The reversal of 263728141 is 141827362.

263728141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185776900 + 77951241 = 13630^2 + 8829^2 .

It is a cyclic number.

It is not a de Polignac number, because 263728141 - 2⁵ = 263728109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263728097 and 263728106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263728121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131864070 + 131864071.

It is an arithmetic number, because the mean of its divisors is an integer number (131864071).

Almost surely, 2^263728141 is an apocalyptic number.

It is an amenable number.

263728141 is a deficient number, since it is larger than the sum of its proper divisors (1).

263728141 is an equidigital number, since it uses as much as digits as its factorization.

263728141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 263728141 is about 16239.7087720193. The cubic root of 263728141 is about 641.2865890887.

The spelling of 263728141 in words is "two hundred sixty-three million, seven hundred twenty-eight thousand, one hundred forty-one".