652620100 has 36 divisors (see below), whose sum is σ = 1544932368. Its totient is φ = 237316000.

The previous prime is 652620079. The next prime is 652620103. The reversal of 652620100 is 1026256.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (652620103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295546 + ... + 297745.

It is an arithmetic number, because the mean of its divisors is an integer number (42914788).

Almost surely, 2^652620100 is an apocalyptic number.

It is an amenable number.

652620100 is an abundant number, since it is smaller than the sum of its proper divisors (892312268).

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

652620100 is a wasteful number, since it uses less digits than its factorization.

652620100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593316 (or 593309 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 652620100 is about 25546.4302790038. The cubic root of 652620100 is about 867.4014593505.

Adding to 652620100 its reverse (1026256), we get a palindrome (653646356).

The spelling of 652620100 in words is "six hundred fifty-two million, six hundred twenty thousand, one hundred".