652472540 has 96 divisors (see below), whose sum is σ = 1498801920. Its totient is φ = 237758976.

The previous prime is 652472503. The next prime is 652472543. The reversal of 652472540 is 45274256.

It is a super-3 number, since 3×652472540³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 652472540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652472543) 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 in 31 ways as a sum of consecutive naturals, for example, 1192547 + ... + 1193093.

It is an arithmetic number, because the mean of its divisors is an integer number (15612520).

Almost surely, 2^652472540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652472540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749400960).

652472540 is an abundant number, since it is smaller than the sum of its proper divisors (846329380).

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

652472540 is a wasteful number, since it uses less digits than its factorization.

652472540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 652472540 is about 25543.5420409935. The cubic root of 652472540 is about 867.3360801162.

The spelling of 652472540 in words is "six hundred fifty-two million, four hundred seventy-two thousand, five hundred forty".