663262025 has 12 divisors (see below), whose sum is σ = 826584000. Its totient is φ = 527939280.

The previous prime is 663262007. The next prime is 663262069. The reversal of 663262025 is 520262366.

It is not a de Polignac number, because 663262025 - 2²⁰ = 662213449 is a prime.

It is a super-3 number, since 3×663262025³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 663261982 and 663262000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61685 + ... + 71634.

It is an arithmetic number, because the mean of its divisors is an integer number (68882000).

Almost surely, 2^663262025 is an apocalyptic number.

It is an amenable number.

663262025 is a deficient number, since it is larger than the sum of its proper divisors (163321975).

663262025 is a wasteful number, since it uses less digits than its factorization.

663262025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133528 (or 133523 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 663262025 is about 25753.8739804325. The cubic root of 663262025 is about 872.0908117590.

The spelling of 663262025 in words is "six hundred sixty-three million, two hundred sixty-two thousand, twenty-five".