654620630 has 8 divisors (see below), whose sum is σ = 1178317152. Its totient is φ = 261848248.

The previous prime is 654620627. The next prime is 654620633. The reversal of 654620630 is 36026456.

It is an interprime number because it is at equal distance from previous prime (654620627) and next prime (654620633).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654620633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32731022 + ... + 32731041.

It is an arithmetic number, because the mean of its divisors is an integer number (147289644).

Almost surely, 2^654620630 is an apocalyptic number.

654620630 is a deficient number, since it is larger than the sum of its proper divisors (523696522).

654620630 is a wasteful number, since it uses less digits than its factorization.

654620630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65462070.

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

The square root of 654620630 is about 25585.5551043944. Note that the first 3 decimals coincide. The cubic root of 654620630 is about 868.2868609156.

The spelling of 654620630 in words is "six hundred fifty-four million, six hundred twenty thousand, six hundred thirty".