1355507 has 2 divisors, whose sum is σ = 1355508. Its totient is φ = 1355506.

The previous prime is 1355503. The next prime is 1355513. The reversal of 1355507 is 7055531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1355507 - 2² = 1355503 is a prime.

It is a Chen 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, 677753 + 677754.

It is an arithmetic number, because the mean of its divisors is an integer number (677754).

2^1355507 is an apocalyptic number.

1355507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355507 is an equidigital number, since it uses as much as digits as its factorization.

1355507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 1355507 is about 1164.2624274621. The cubic root of 1355507 is about 110.6710222718.

Subtracting from 1355507 its sum of digits (26), we obtain a triangular number (1355481 = T₁₆₄₆).

The spelling of 1355507 in words is "one million, three hundred fifty-five thousand, five hundred seven".