652005900 has 432 divisors, whose sum is σ = 2653996800. Its totient is φ = 130014720.

The previous prime is 652005899. The next prime is 652005923. The reversal of 652005900 is 9500256.

652005900 is a `hidden beast` number, since 652 + 0 + 0 + 5 + 9 + 0 + 0 = 666.

It is a super-2 number, since 2×652005900² = 850223387269620000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1555891 + ... + 1556309.

Almost surely, 2^652005900 is an apocalyptic number.

652005900 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652005900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326998400).

652005900 is an abundant number, since it is smaller than the sum of its proper divisors (2001990900).

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

652005900 is a wasteful number, since it uses less digits than its factorization.

652005900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 652005900 is about 25534.4062002624. The cubic root of 652005900 is about 867.1292615869.

The spelling of 652005900 in words is "six hundred fifty-two million, five thousand, nine hundred".