652240131 has 16 divisors (see below), whose sum is σ = 900979200. Its totient is φ = 419208608.

The previous prime is 652240129. The next prime is 652240157. The reversal of 652240131 is 131042256.

It is a cyclic number.

It is not a de Polignac number, because 652240131 - 2¹ = 652240129 is a prime.

It is a super-2 number, since 2×652240131² = 850834376973794322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (652240111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57340 + ... + 67766.

It is an arithmetic number, because the mean of its divisors is an integer number (56311200).

Almost surely, 2^652240131 is an apocalyptic number.

652240131 is a deficient number, since it is larger than the sum of its proper divisors (248739069).

652240131 is a wasteful number, since it uses less digits than its factorization.

652240131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11178.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 652240131 is about 25538.9923646177. The cubic root of 652240131 is about 867.2330869443.

Adding to 652240131 its reverse (131042256), we get a palindrome (783282387).

The spelling of 652240131 in words is "six hundred fifty-two million, two hundred forty thousand, one hundred thirty-one".