653436242 has 16 divisors (see below), whose sum is σ = 1038302712. Its totient is φ = 307353600.

The previous prime is 653436227. The next prime is 653436247. The reversal of 653436242 is 242634356.

653436242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 582691321 + 70744921 = 24139^2 + 8411^2 .

It is not an unprimeable number, because it can be changed into a prime (653436247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109742 + ... + 115542.

Almost surely, 2^653436242 is an apocalyptic number.

653436242 is a deficient number, since it is larger than the sum of its proper divisors (384866470).

653436242 is a wasteful number, since it uses less digits than its factorization.

653436242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9133.

The product of its digits is 103680, while the sum is 35.

The square root of 653436242 is about 25562.3989875755. The cubic root of 653436242 is about 867.7628885425.

The spelling of 653436242 in words is "six hundred fifty-three million, four hundred thirty-six thousand, two hundred forty-two".