1538313 has 32 divisors (see below), whose sum is σ = 2580480. Its totient is φ = 794880.

The previous prime is 1538311. The next prime is 1538321. The reversal of 1538313 is 3138351.

It is not a de Polignac number, because 1538313 - 2¹ = 1538311 is a prime.

1538313 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1538311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10998 + ... + 11136.

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

2^1538313 is an apocalyptic number.

It is an amenable number.

1538313 is a deficient number, since it is larger than the sum of its proper divisors (1042167).

1538313 is a wasteful number, since it uses less digits than its factorization.

1538313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197.

The product of its digits is 1080, while the sum is 24.

The square root of 1538313 is about 1240.2874666786. The cubic root of 1538313 is about 115.4378519124.

The spelling of 1538313 in words is "one million, five hundred thirty-eight thousand, three hundred thirteen".