653562842 has 4 divisors (see below), whose sum is σ = 980344266. Its totient is φ = 326781420.

The previous prime is 653562809. The next prime is 653562869. The reversal of 653562842 is 248265356.

It is a happy number.

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., 574512961 + 79049881 = 23969^2 + 8891^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 653562842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163390709 + ... + 163390712.

Almost surely, 2^653562842 is an apocalyptic number.

653562842 is a deficient number, since it is larger than the sum of its proper divisors (326781424).

653562842 is a wasteful number, since it uses less digits than its factorization.

653562842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326781423.

The product of its digits is 345600, while the sum is 41.

The square root of 653562842 is about 25564.8751610486. The cubic root of 653562842 is about 867.8189264951.

The spelling of 653562842 in words is "six hundred fifty-three million, five hundred sixty-two thousand, eight hundred forty-two".