260203523 has 2 divisors, whose sum is σ = 260203524. Its totient is φ = 260203522.

The previous prime is 260203487. The next prime is 260203543. The reversal of 260203523 is 325302062.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260203523 - 2¹² = 260199427 is a prime.

It is a super-2 number, since 2×260203523² = 135411746763223058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (260203543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130101761 + 130101762.

It is an arithmetic number, because the mean of its divisors is an integer number (130101762).

Almost surely, 2^260203523 is an apocalyptic number.

260203523 is a deficient number, since it is larger than the sum of its proper divisors (1).

260203523 is an equidigital number, since it uses as much as digits as its factorization.

260203523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 260203523 is about 16130.8252423737. The cubic root of 260203523 is about 638.4169231718.

Adding to 260203523 its reverse (325302062), we get a palindrome (585505585).

The spelling of 260203523 in words is "two hundred sixty million, two hundred three thousand, five hundred twenty-three".