1335661477 has 2 divisors, whose sum is σ = 1335661478. Its totient is φ = 1335661476.

The previous prime is 1335661433. The next prime is 1335661493. The reversal of 1335661477 is 7741665331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1138792516 + 196868961 = 33746^2 + 14031^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1335661477 is a prime.

It is a super-2 number, since 2×1335661477² = 3567983162283643058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1335661177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667830738 + 667830739.

It is an arithmetic number, because the mean of its divisors is an integer number (667830739).

Almost surely, 2^1335661477 is an apocalyptic number.

It is an amenable number.

1335661477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1335661477 is an equidigital number, since it uses as much as digits as its factorization.

1335661477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 43.

The square root of 1335661477 is about 36546.7026830055. The cubic root of 1335661477 is about 1101.2826572172.

The spelling of 1335661477 in words is "one billion, three hundred thirty-five million, six hundred sixty-one thousand, four hundred seventy-seven".