652106538 has 32 divisors (see below), whose sum is σ = 1467025920. Its totient is φ = 217367388.

The previous prime is 652106513. The next prime is 652106549. The reversal of 652106538 is 835601256.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 70170 + ... + 78917.

It is an arithmetic number, because the mean of its divisors is an integer number (45844560).

Almost surely, 2^652106538 is an apocalyptic number.

652106538 is an abundant number, since it is smaller than the sum of its proper divisors (814919382).

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

652106538 is an equidigital number, since it uses as much as digits as its factorization.

652106538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149110 (or 149092 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 652106538 is about 25536.3767594387. The cubic root of 652106538 is about 867.1738734864.

The spelling of 652106538 in words is "six hundred fifty-two million, one hundred six thousand, five hundred thirty-eight".