1725538163 has 2 divisors, whose sum is σ = 1725538164. Its totient is φ = 1725538162.

The previous prime is 1725538159. The next prime is 1725538183. The reversal of 1725538163 is 3618355271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1725538163 - 2² = 1725538159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1725538163.

It is not a weakly prime, because it can be changed into another prime (1725538103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 862769081 + 862769082.

It is an arithmetic number, because the mean of its divisors is an integer number (862769082).

Almost surely, 2^1725538163 is an apocalyptic number.

1725538163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1725538163 is an equidigital number, since it uses as much as digits as its factorization.

1725538163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 1725538163 is about 41539.5975305491. The cubic root of 1725538163 is about 1199.4298594835.

The spelling of 1725538163 in words is "one billion, seven hundred twenty-five million, five hundred thirty-eight thousand, one hundred sixty-three".