663373525 has 12 divisors (see below), whose sum is σ = 824041504. Its totient is φ = 529758000.

The previous prime is 663373523. The next prime is 663373547. The reversal of 663373525 is 525373366.

663373525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 663373525 - 2¹ = 663373523 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663373523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8961 + ... + 37510.

Almost surely, 2^663373525 is an apocalyptic number.

It is an amenable number.

663373525 is a deficient number, since it is larger than the sum of its proper divisors (160667979).

663373525 is a wasteful number, since it uses less digits than its factorization.

663373525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47052 (or 47047 counting only the distinct ones).

The product of its digits is 340200, while the sum is 40.

The square root of 663373525 is about 25756.0386123332. The cubic root of 663373525 is about 872.1396776539.

The spelling of 663373525 in words is "six hundred sixty-three million, three hundred seventy-three thousand, five hundred twenty-five".