1613157353 has 4 divisors (see below), whose sum is σ = 1708048980. Its totient is φ = 1518265728.

The previous prime is 1613157347. The next prime is 1613157367. The reversal of 1613157353 is 3537513161.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 744853264 + 868304089 = 27292^2 + 29467^2 .

It is a cyclic number.

It is not a de Polignac number, because 1613157353 - 2⁶ = 1613157289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1613157313) 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, 47445788 + ... + 47445821.

It is an arithmetic number, because the mean of its divisors is an integer number (427012245).

Almost surely, 2^1613157353 is an apocalyptic number.

It is an amenable number.

1613157353 is a deficient number, since it is larger than the sum of its proper divisors (94891627).

1613157353 is an equidigital number, since it uses as much as digits as its factorization.

1613157353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94891626.

The product of its digits is 28350, while the sum is 35.

The square root of 1613157353 is about 40164.1301785561. The cubic root of 1613157353 is about 1172.8043749201.

The spelling of 1613157353 in words is "one billion, six hundred thirteen million, one hundred fifty-seven thousand, three hundred fifty-three".