1306482557 has 2 divisors, whose sum is σ = 1306482558. Its totient is φ = 1306482556.

The previous prime is 1306482479. The next prime is 1306482577. The reversal of 1306482557 is 7552846031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1132928281 + 173554276 = 33659^2 + 13174^2 .

It is a cyclic number.

It is not a de Polignac number, because 1306482557 - 2¹⁴ = 1306466173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1306482577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653241278 + 653241279.

It is an arithmetic number, because the mean of its divisors is an integer number (653241279).

Almost surely, 2^1306482557 is an apocalyptic number.

It is an amenable number.

1306482557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1306482557 is an equidigital number, since it uses as much as digits as its factorization.

1306482557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 1306482557 is about 36145.2978546311. The cubic root of 1306482557 is about 1093.2039828032.

The spelling of 1306482557 in words is "one billion, three hundred six million, four hundred eighty-two thousand, five hundred fifty-seven".