653344261 has 16 divisors (see below), whose sum is σ = 681232384. Its totient is φ = 626076864.

The previous prime is 653344217. The next prime is 653344267. The reversal of 653344261 is 162443356.

653344261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 653344261 - 2¹³ = 653336069 is a prime.

It is a super-2 number, since 2×653344261² = 853717446763272242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653344267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765511 + ... + 766363.

It is an arithmetic number, because the mean of its divisors is an integer number (42577024).

Almost surely, 2^653344261 is an apocalyptic number.

It is an amenable number.

653344261 is a deficient number, since it is larger than the sum of its proper divisors (27888123).

653344261 is a wasteful number, since it uses less digits than its factorization.

653344261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180.

The product of its digits is 51840, while the sum is 34.

The square root of 653344261 is about 25560.5997777830. The cubic root of 653344261 is about 867.7221697298.

The spelling of 653344261 in words is "six hundred fifty-three million, three hundred forty-four thousand, two hundred sixty-one".