654052988 has 6 divisors (see below), whose sum is σ = 1144592736. Its totient is φ = 327026492.

The previous prime is 654052981. The next prime is 654052991. The reversal of 654052988 is 889250456.

It is a super-2 number, since 2×654052988² = 855570622223456288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654052981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81756620 + ... + 81756627.

It is an arithmetic number, because the mean of its divisors is an integer number (190765456).

Almost surely, 2^654052988 is an apocalyptic number.

It is an amenable number.

654052988 is a deficient number, since it is larger than the sum of its proper divisors (490539748).

654052988 is a wasteful number, since it uses less digits than its factorization.

654052988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163513251 (or 163513249 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The square root of 654052988 is about 25574.4596814869. The cubic root of 654052988 is about 868.0358154504.

The spelling of 654052988 in words is "six hundred fifty-four million, fifty-two thousand, nine hundred eighty-eight".