652484557 has 8 divisors (see below), whose sum is σ = 660679416. Its totient is φ = 644339712.

The previous prime is 652484501. The next prime is 652484561. The reversal of 652484557 is 755484256.

It can be written as a sum of positive squares in 4 ways, for example, as 147403881 + 505080676 = 12141^2 + 22474^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652484557 is a prime.

It is a super-3 number, since 3×652484557³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652484057) 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 7 ways as a sum of consecutive naturals, for example, 14103 + ... + 38779.

It is an arithmetic number, because the mean of its divisors is an integer number (82584927).

Almost surely, 2^652484557 is an apocalyptic number.

It is an amenable number.

652484557 is a deficient number, since it is larger than the sum of its proper divisors (8194859).

652484557 is a wasteful number, since it uses less digits than its factorization.

652484557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25007.

The product of its digits is 1344000, while the sum is 46.

The square root of 652484557 is about 25543.7772657060. Note that the first 3 decimals coincide. The cubic root of 652484557 is about 867.3414048429.

The spelling of 652484557 in words is "six hundred fifty-two million, four hundred eighty-four thousand, five hundred fifty-seven".