1725899047 has 16 divisors (see below), whose sum is σ = 1836882432. Its totient is φ = 1618103520.

The previous prime is 1725899039. The next prime is 1725899051. The reversal of 1725899047 is 7409985271.

It is a cyclic number.

It is not a de Polignac number, because 1725899047 - 2³ = 1725899039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1725898985 and 1725899003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1725899057) 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 in 15 ways as a sum of consecutive naturals, for example, 428718 + ... + 432724.

It is an arithmetic number, because the mean of its divisors is an integer number (114805152).

Almost surely, 2^1725899047 is an apocalyptic number.

1725899047 is a deficient number, since it is larger than the sum of its proper divisors (110983385).

1725899047 is a wasteful number, since it uses less digits than its factorization.

1725899047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4398.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The square root of 1725899047 is about 41543.9411587298. The cubic root of 1725899047 is about 1199.5134710550.

The spelling of 1725899047 in words is "one billion, seven hundred twenty-five million, eight hundred ninety-nine thousand, forty-seven".