1513345413 has 4 divisors (see below), whose sum is σ = 2017793888. Its totient is φ = 1008896940.

The previous prime is 1513345387. The next prime is 1513345439. The reversal of 1513345413 is 3145433151.

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 an interprime number because it is at equal distance from previous prime (1513345387) and next prime (1513345439).

It is not a de Polignac number, because 1513345413 - 2⁶ = 1513345349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513345313) 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, 252224233 + ... + 252224238.

It is an arithmetic number, because the mean of its divisors is an integer number (504448472).

Almost surely, 2^1513345413 is an apocalyptic number.

It is an amenable number.

1513345413 is a deficient number, since it is larger than the sum of its proper divisors (504448475).

1513345413 is an equidigital number, since it uses as much as digits as its factorization.

1513345413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504448474.

The product of its digits is 10800, while the sum is 30.

The square root of 1513345413 is about 38901.7404880553. The cubic root of 1513345413 is about 1148.0990429285.

Adding to 1513345413 its reverse (3145433151), we get a palindrome (4658778564).

The spelling of 1513345413 in words is "one billion, five hundred thirteen million, three hundred forty-five thousand, four hundred thirteen".