652506242 has 4 divisors (see below), whose sum is σ = 978759366. Its totient is φ = 326253120.

The previous prime is 652506229. The next prime is 652506271. The reversal of 652506242 is 242605256.

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

It can be written as a sum of positive squares in only one way, i.e., 417834481 + 234671761 = 20441^2 + 15319^2 .

It is a junction number, because it is equal to n+sod(n) for n = 652506199 and 652506208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163126559 + ... + 163126562.

Almost surely, 2^652506242 is an apocalyptic number.

652506242 is a deficient number, since it is larger than the sum of its proper divisors (326253124).

652506242 is a wasteful number, since it uses less digits than its factorization.

652506242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326253123.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 652506242 is about 25544.2017295511. The cubic root of 652506242 is about 867.3510132899.

The spelling of 652506242 in words is "six hundred fifty-two million, five hundred six thousand, two hundred forty-two".