1306258285 has 16 divisors (see below), whose sum is σ = 1590071040. Its totient is φ = 1030011840.

The previous prime is 1306258279. The next prime is 1306258301. The reversal of 1306258285 is 5828526031.

It is not a de Polignac number, because 1306258285 - 2¹³ = 1306250093 is a prime.

It is a super-2 number, since 2×1306258285² = 3412621414262282450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258594 + ... + 263596.

It is an arithmetic number, because the mean of its divisors is an integer number (99379440).

Almost surely, 2^1306258285 is an apocalyptic number.

It is an amenable number.

1306258285 is a deficient number, since it is larger than the sum of its proper divisors (283812755).

1306258285 is an equidigital number, since it uses as much as digits as its factorization.

1306258285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1306258285 is about 36142.1953539073. The cubic root of 1306258285 is about 1093.1414257558.

The spelling of 1306258285 in words is "one billion, three hundred six million, two hundred fifty-eight thousand, two hundred eighty-five".