260433553 has 2 divisors, whose sum is σ = 260433554. Its totient is φ = 260433552.

The previous prime is 260433539. The next prime is 260433571. The reversal of 260433553 is 355334062.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258952464 + 1481089 = 16092^2 + 1217^2 .

It is a cyclic number.

It is not a de Polignac number, because 260433553 - 2²¹ = 258336401 is a prime.

It is not a weakly prime, because it can be changed into another prime (260430553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130216776 + 130216777.

It is an arithmetic number, because the mean of its divisors is an integer number (130216777).

Almost surely, 2^260433553 is an apocalyptic number.

It is an amenable number.

260433553 is a deficient number, since it is larger than the sum of its proper divisors (1).

260433553 is an equidigital number, since it uses as much as digits as its factorization.

260433553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 260433553 is about 16137.9538046185. The cubic root of 260433553 is about 638.6049961966.

The spelling of 260433553 in words is "two hundred sixty million, four hundred thirty-three thousand, five hundred fifty-three".