1355513 has 2 divisors, whose sum is σ = 1355514. Its totient is φ = 1355512.

The previous prime is 1355507. The next prime is 1355533. The reversal of 1355513 is 3155531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1283689 + 71824 = 1133^2 + 268^2 .

It is a cyclic number.

It is not a de Polignac number, because 1355513 - 2⁶ = 1355449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1355503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677756 + 677757.

It is an arithmetic number, because the mean of its divisors is an integer number (677757).

2^1355513 is an apocalyptic number.

It is an amenable number.

1355513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355513 is an equidigital number, since it uses as much as digits as its factorization.

1355513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1125, while the sum is 23.

The square root of 1355513 is about 1164.2650041979. The cubic root of 1355513 is about 110.6711855625.

The spelling of 1355513 in words is "one million, three hundred fifty-five thousand, five hundred thirteen".