1725689923 has 2 divisors, whose sum is σ = 1725689924. Its totient is φ = 1725689922.

The previous prime is 1725689887. The next prime is 1725689963. The reversal of 1725689923 is 3299865271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1725689923 - 2²⁵ = 1692135491 is a prime.

It is a super-3 number, since 3×1725689923³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1725689963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 862844961 + 862844962.

It is an arithmetic number, because the mean of its divisors is an integer number (862844962).

Almost surely, 2^1725689923 is an apocalyptic number.

1725689923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1725689923 is an equidigital number, since it uses as much as digits as its factorization.

1725689923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 52.

The square root of 1725689923 is about 41541.4241811713. The cubic root of 1725689923 is about 1199.4650214875.

The spelling of 1725689923 in words is "one billion, seven hundred twenty-five million, six hundred eighty-nine thousand, nine hundred twenty-three".