652087297 has 4 divisors (see below), whose sum is σ = 669711316. Its totient is φ = 634463280.

The previous prime is 652087231. The next prime is 652087327. The reversal of 652087297 is 792780256.

It is a Cunningham number, because it is equal to 25536²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 583512336 + 68574961 = 24156^2 + 8281^2 .

It is a cyclic number.

It is not a de Polignac number, because 652087297 - 2¹⁹ = 651563009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652087897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8811954 + ... + 8812027.

It is an arithmetic number, because the mean of its divisors is an integer number (167427829).

Almost surely, 2^652087297 is an apocalyptic number.

It is an amenable number.

652087297 is a deficient number, since it is larger than the sum of its proper divisors (17624019).

652087297 is a wasteful number, since it uses less digits than its factorization.

652087297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17624018.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 652087297 is about 25536.0000195802. Note that the first 4 decimals coincide. The cubic root of 652087297 is about 867.1653444830.

The spelling of 652087297 in words is "six hundred fifty-two million, eighty-seven thousand, two hundred ninety-seven".