654612030 has 160 divisors (see below), whose sum is σ = 1882732896. Its totient is φ = 162625536.

The previous prime is 654612017. The next prime is 654612031. The reversal of 654612030 is 30216456.

654612030 is a `hidden beast` number, since 654 + 6 + 1 + 2 + 0 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 654611985 and 654612003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654612031) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1886317 + ... + 1886663.

Almost surely, 2^654612030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654612030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941366448).

654612030 is an abundant number, since it is smaller than the sum of its proper divisors (1228120866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

654612030 is a wasteful number, since it uses less digits than its factorization.

654612030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 654612030 is about 25585.3870402619. The cubic root of 654612030 is about 868.2830585608.

Adding to 654612030 its reverse (30216456), we get a palindrome (684828486).

The spelling of 654612030 in words is "six hundred fifty-four million, six hundred twelve thousand, thirty".