652114721 has 4 divisors (see below), whose sum is σ = 655758000. Its totient is φ = 648471444.

The previous prime is 652114709. The next prime is 652114759. The reversal of 652114721 is 127411256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 652114721 - 2¹⁸ = 651852577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652110721) 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 3 ways as a sum of consecutive naturals, for example, 1821371 + ... + 1821728.

It is an arithmetic number, because the mean of its divisors is an integer number (163939500).

Almost surely, 2^652114721 is an apocalyptic number.

It is an amenable number.

652114721 is a deficient number, since it is larger than the sum of its proper divisors (3643279).

652114721 is a wasteful number, since it uses less digits than its factorization.

652114721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643278.

The product of its digits is 3360, while the sum is 29.

The square root of 652114721 is about 25536.5369813528. The cubic root of 652114721 is about 867.1775007332.

Adding to 652114721 its reverse (127411256), we get a palindrome (779525977).

The spelling of 652114721 in words is "six hundred fifty-two million, one hundred fourteen thousand, seven hundred twenty-one".