652205131 has 4 divisors (see below), whose sum is σ = 654612064. Its totient is φ = 649798200.

The previous prime is 652205129. The next prime is 652205137. The reversal of 652205131 is 131502256.

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

It is a cyclic number.

It is not a de Polignac number, because 652205131 - 2¹ = 652205129 is a prime.

It is a super-2 number, since 2×652205131² = 850743065805454322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 652205096 and 652205105.

It is not an unprimeable number, because it can be changed into a prime (652205137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203060 + ... + 1203601.

It is an arithmetic number, because the mean of its divisors is an integer number (163653016).

Almost surely, 2^652205131 is an apocalyptic number.

652205131 is a deficient number, since it is larger than the sum of its proper divisors (2406933).

652205131 is a wasteful number, since it uses less digits than its factorization.

652205131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406932.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 652205131 is about 25538.3071287037. The cubic root of 652205131 is about 867.2175744055.

Adding to 652205131 its reverse (131502256), we get a palindrome (783707387).

The spelling of 652205131 in words is "six hundred fifty-two million, two hundred five thousand, one hundred thirty-one".