1350523 has 4 divisors (see below), whose sum is σ = 1352920. Its totient is φ = 1348128.

The previous prime is 1350521. The next prime is 1350533. The reversal of 1350523 is 3250531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3250531 = 433 ⋅7507.

It is a cyclic number.

It is not a de Polignac number, because 1350523 - 2¹ = 1350521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1350523.

It is not an unprimeable number, because it can be changed into a prime (1350521) 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 in 3 ways as a sum of consecutive naturals, for example, 163 + ... + 1651.

It is an arithmetic number, because the mean of its divisors is an integer number (338230).

2^1350523 is an apocalyptic number.

1350523 is a deficient number, since it is larger than the sum of its proper divisors (2397).

1350523 is an equidigital number, since it uses as much as digits as its factorization.

1350523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 1350523 is about 1162.1200454342. The cubic root of 1350523 is about 110.5352153275.

The spelling of 1350523 in words is "one million, three hundred fifty thousand, five hundred twenty-three".