1613255315 has 32 divisors (see below), whose sum is σ = 2276636544. Its totient is φ = 1074263040.

The previous prime is 1613255309. The next prime is 1613255317. The reversal of 1613255315 is 5135523161.

It is not a de Polignac number, because 1613255315 - 2²² = 1609061011 is a prime.

It is a super-2 number, since 2×1613255315² = 5205185422751498450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1613255317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 984677 + ... + 986313.

It is an arithmetic number, because the mean of its divisors is an integer number (71144892).

Almost surely, 2^1613255315 is an apocalyptic number.

1613255315 is a deficient number, since it is larger than the sum of its proper divisors (663381229).

1613255315 is a wasteful number, since it uses less digits than its factorization.

1613255315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447.

The product of its digits is 13500, while the sum is 32.

The square root of 1613255315 is about 40165.3496810373. The cubic root of 1613255315 is about 1172.8281146866.

Adding to 1613255315 its reverse (5135523161), we get a palindrome (6748778476).

The spelling of 1613255315 in words is "one billion, six hundred thirteen million, two hundred fifty-five thousand, three hundred fifteen".