663054452 has 12 divisors (see below), whose sum is σ = 1162280196. Its totient is φ = 330974400.

The previous prime is 663054437. The next prime is 663054479. The reversal of 663054452 is 254450366.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 376903396 + 286151056 = 19414^2 + 16916^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135503 + ... + 140310.

It is an arithmetic number, because the mean of its divisors is an integer number (96856683).

Almost surely, 2^663054452 is an apocalyptic number.

It is an amenable number.

663054452 is a deficient number, since it is larger than the sum of its proper divisors (499225744).

663054452 is a wasteful number, since it uses less digits than its factorization.

663054452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276418 (or 276416 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 663054452 is about 25749.8437276811. The cubic root of 663054452 is about 871.9998264035. Note that the first 3 decimals are identical.

The spelling of 663054452 in words is "six hundred sixty-three million, fifty-four thousand, four hundred fifty-two".