653842106 has 4 divisors (see below), whose sum is σ = 980763162. Its totient is φ = 326921052.

The previous prime is 653842097. The next prime is 653842121. The reversal of 653842106 is 601248356.

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., 535228225 + 118613881 = 23135^2 + 10891^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163460525 + ... + 163460528.

Almost surely, 2^653842106 is an apocalyptic number.

653842106 is a deficient number, since it is larger than the sum of its proper divisors (326921056).

653842106 is a wasteful number, since it uses less digits than its factorization.

653842106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326921055.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 653842106 is about 25570.3364467502. The cubic root of 653842106 is about 867.9425137306.

The spelling of 653842106 in words is "six hundred fifty-three million, eight hundred forty-two thousand, one hundred six".