1613215255 has 8 divisors (see below), whose sum is σ = 2049732432. Its totient is φ = 1214656128.

The previous prime is 1613215249. The next prime is 1613215271. The reversal of 1613215255 is 5525123161.

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 1613215255 - 2¹¹ = 1613213207 is a prime.

It is a congruent 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, 9489417 + ... + 9489586.

It is an arithmetic number, because the mean of its divisors is an integer number (256216554).

Almost surely, 2^1613215255 is an apocalyptic number.

1613215255 is a deficient number, since it is larger than the sum of its proper divisors (436517177).

1613215255 is a wasteful number, since it uses less digits than its factorization.

1613215255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18979025.

The product of its digits is 9000, while the sum is 31.

The square root of 1613215255 is about 40164.8509893912. The cubic root of 1613215255 is about 1172.8184068032.

The spelling of 1613215255 in words is "one billion, six hundred thirteen million, two hundred fifteen thousand, two hundred fifty-five".