1725987965 has 32 divisors (see below), whose sum is σ = 2381702400. Its totient is φ = 1190762496.

The previous prime is 1725987959. The next prime is 1725987979. The reversal of 1725987965 is 5697895271.

It is a cyclic number.

It is not a de Polignac number, because 1725987965 - 2⁸ = 1725987709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50861 + ... + 77709.

It is an arithmetic number, because the mean of its divisors is an integer number (74428200).

Almost surely, 2^1725987965 is an apocalyptic number.

It is an amenable number.

1725987965 is a deficient number, since it is larger than the sum of its proper divisors (655714435).

1725987965 is a wasteful number, since it uses less digits than its factorization.

1725987965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26933.

The product of its digits is 9525600, while the sum is 59.

The square root of 1725987965 is about 41545.0113130325. The cubic root of 1725987965 is about 1199.5340702721.

The spelling of 1725987965 in words is "one billion, seven hundred twenty-five million, nine hundred eighty-seven thousand, nine hundred sixty-five".