1501313 has 4 divisors (see below), whose sum is σ = 1637808. Its totient is φ = 1364820.

The previous prime is 1501307. The next prime is 1501333. The reversal of 1501313 is 3131051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1501313 - 2¹⁴ = 1484929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1501303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68231 + ... + 68252.

It is an arithmetic number, because the mean of its divisors is an integer number (409452).

2^1501313 is an apocalyptic number.

It is an amenable number.

1501313 is a deficient number, since it is larger than the sum of its proper divisors (136495).

1501313 is a wasteful number, since it uses less digits than its factorization.

1501313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136494.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 1501313 is about 1225.2807841470. The cubic root of 1501313 is about 114.5048147324.

Adding to 1501313 its reverse (3131051), we get a palindrome (4632364).

The spelling of 1501313 in words is "one million, five hundred one thousand, three hundred thirteen".