1513345 has 8 divisors (see below), whose sum is σ = 1823976. Its totient is φ = 1205376.

The previous prime is 1513321. The next prime is 1513361. The reversal of 1513345 is 5433151.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 923521 + 589824 = 961^2 + 768^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1513345 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949 + ... + 1981.

It is an arithmetic number, because the mean of its divisors is an integer number (227997).

2^1513345 is an apocalyptic number.

It is an amenable number.

1513345 is a deficient number, since it is larger than the sum of its proper divisors (310631).

1513345 is a wasteful number, since it uses less digits than its factorization.

1513345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331.

The product of its digits is 900, while the sum is 22.

The square root of 1513345 is about 1230.1808810090. The cubic root of 1513345 is about 114.8098938488.

Adding to 1513345 its reverse (5433151), we get a palindrome (6946496).

The spelling of 1513345 in words is "one million, five hundred thirteen thousand, three hundred forty-five".