653143061 has 4 divisors (see below), whose sum is σ = 674212224. Its totient is φ = 632073900.

The previous prime is 653143021. The next prime is 653143097. The reversal of 653143061 is 160341356.

It is a happy number.

653143061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-653143061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653143021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10534535 + ... + 10534596.

It is an arithmetic number, because the mean of its divisors is an integer number (168553056).

Almost surely, 2^653143061 is an apocalyptic number.

It is an amenable number.

653143061 is a deficient number, since it is larger than the sum of its proper divisors (21069163).

653143061 is a wasteful number, since it uses less digits than its factorization.

653143061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21069162.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 653143061 is about 25556.6637298377. The cubic root of 653143061 is about 867.6330877376.

The spelling of 653143061 in words is "six hundred fifty-three million, one hundred forty-three thousand, sixty-one".