1513235105 has 8 divisors (see below), whose sum is σ = 1821028392. Its totient is φ = 1207157248.

The previous prime is 1513235089. The next prime is 1513235111. The reversal of 1513235105 is 5015323151.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 200477281 + 1312757824 = 14159^2 + 36232^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1513235105 - 2⁴ = 1513235089 is a prime.

It is a super-2 number, since 2×1513235105² = 4579760966008722050, which contains 22 as substring.

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, 426914 + ... + 430443.

It is an arithmetic number, because the mean of its divisors is an integer number (227628549).

Almost surely, 2^1513235105 is an apocalyptic number.

It is an amenable number.

1513235105 is a deficient number, since it is larger than the sum of its proper divisors (307793287).

1513235105 is an equidigital number, since it uses as much as digits as its factorization.

1513235105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857715.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1513235105 is about 38900.3226850369. The cubic root of 1513235105 is about 1148.0711472071.

Adding to 1513235105 its reverse (5015323151), we get a palindrome (6528558256).

The spelling of 1513235105 in words is "one billion, five hundred thirteen million, two hundred thirty-five thousand, one hundred five".