1523313 has 32 divisors (see below), whose sum is σ = 2580480. Its totient is φ = 879120.

The previous prime is 1523311. The next prime is 1523323. The reversal of 1523313 is 3133251.

It is not a de Polignac number, because 1523313 - 2¹ = 1523311 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1523311) 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 31 ways as a sum of consecutive naturals, for example, 6720 + ... + 6942.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2^1523313 is an apocalyptic number.

It is an amenable number.

1523313 is a deficient number, since it is larger than the sum of its proper divisors (1057167).

1523313 is a wasteful number, since it uses less digits than its factorization.

1523313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 260 counting only the distinct ones).

The product of its digits is 270, while the sum is 18.

The square root of 1523313 is about 1234.2256681823. The cubic root of 1523313 is about 115.0614164697.

Adding to 1523313 its reverse (3133251), we get a palindrome (4656564).

The spelling of 1523313 in words is "one million, five hundred twenty-three thousand, three hundred thirteen".