652531805 has 8 divisors (see below), whose sum is σ = 783385344. Its totient is φ = 521794000.

The previous prime is 652531771. The next prime is 652531843. The reversal of 652531805 is 508135256.

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

It is not a de Polignac number, because 652531805 - 2¹⁴ = 652515421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16001 + ... + 39510.

It is an arithmetic number, because the mean of its divisors is an integer number (97923168).

Almost surely, 2^652531805 is an apocalyptic number.

It is an amenable number.

652531805 is a deficient number, since it is larger than the sum of its proper divisors (130853539).

652531805 is a wasteful number, since it uses less digits than its factorization.

652531805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57867.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 652531805 is about 25544.7020926062. The cubic root of 652531805 is about 867.3623397739.

The spelling of 652531805 in words is "six hundred fifty-two million, five hundred thirty-one thousand, eight hundred five".