260830553 has 4 divisors (see below), whose sum is σ = 269824740. Its totient is φ = 251836368.

The previous prime is 260830547. The next prime is 260830567. The reversal of 260830553 is 355038062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 201725209 + 59105344 = 14203^2 + 7688^2 .

It is a cyclic number.

It is not a de Polignac number, because 260830553 - 2¹⁸ = 260568409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260830523) 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, 4497050 + ... + 4497107.

It is an arithmetic number, because the mean of its divisors is an integer number (67456185).

Almost surely, 2^260830553 is an apocalyptic number.

It is an amenable number.

260830553 is a deficient number, since it is larger than the sum of its proper divisors (8994187).

260830553 is an equidigital number, since it uses as much as digits as its factorization.

260830553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8994186.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 260830553 is about 16150.2493169610. The cubic root of 260830553 is about 638.9293239263.

The spelling of 260830553 in words is "two hundred sixty million, eight hundred thirty thousand, five hundred fifty-three".