652803261 has 16 divisors (see below), whose sum is σ = 956786688. Its totient is φ = 392615600.

The previous prime is 652803259. The next prime is 652803293. The reversal of 652803261 is 162308256.

It is a cyclic number.

It is not a de Polignac number, because 652803261 - 2¹ = 652803259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652803211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71181 + ... + 79826.

It is an arithmetic number, because the mean of its divisors is an integer number (59799168).

Almost surely, 2^652803261 is an apocalyptic number.

It is an amenable number.

652803261 is a deficient number, since it is larger than the sum of its proper divisors (303983427).

652803261 is a wasteful number, since it uses less digits than its factorization.

652803261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151152.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 652803261 is about 25550.0148923636. The cubic root of 652803261 is about 867.4825985707.

The spelling of 652803261 in words is "six hundred fifty-two million, eight hundred three thousand, two hundred sixty-one".