652220501 has 4 divisors (see below), whose sum is σ = 673259904. Its totient is φ = 631181100.

The previous prime is 652220489. The next prime is 652220509. The reversal of 652220501 is 105022256.

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 652220501 - 2¹⁴ = 652204117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652220509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10519655 + ... + 10519716.

It is an arithmetic number, because the mean of its divisors is an integer number (168314976).

Almost surely, 2^652220501 is an apocalyptic number.

It is an amenable number.

652220501 is a deficient number, since it is larger than the sum of its proper divisors (21039403).

652220501 is a wasteful number, since it uses less digits than its factorization.

652220501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21039402.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 652220501 is about 25538.6080474250. The cubic root of 652220501 is about 867.2243866945.

Adding to 652220501 its reverse (105022256), we get a palindrome (757242757).

The spelling of 652220501 in words is "six hundred fifty-two million, two hundred twenty thousand, five hundred one".