1725441663 has 32 divisors (see below), whose sum is σ = 2576448000. Its totient is φ = 1018035200.

The previous prime is 1725441629. The next prime is 1725441667. The reversal of 1725441663 is 3661445271.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1725441663 - 2¹⁶ = 1725376127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1725441667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 809383 + ... + 811511.

It is an arithmetic number, because the mean of its divisors is an integer number (80514000).

Almost surely, 2^1725441663 is an apocalyptic number.

1725441663 is a deficient number, since it is larger than the sum of its proper divisors (851006337).

1725441663 is a wasteful number, since it uses less digits than its factorization.

1725441663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783.

The product of its digits is 120960, while the sum is 39.

The square root of 1725441663 is about 41538.4359720007. The cubic root of 1725441663 is about 1199.4074998622.

The spelling of 1725441663 in words is "one billion, seven hundred twenty-five million, four hundred forty-one thousand, six hundred sixty-three".