1613252223 has 72 divisors (see below), whose sum is σ = 2766123360. Its totient is φ = 902563200.

The previous prime is 1613252203. The next prime is 1613252227. The reversal of 1613252223 is 3222523161.

It is a happy number.

1613252223 is a `hidden beast` number, since 1 + 6 + 132 + 522 + 2 + 3 = 666.

It is not a de Polignac number, because 1613252223 - 2⁹ = 1613251711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613252227) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 725253 + ... + 727473.

It is an arithmetic number, because the mean of its divisors is an integer number (38418380).

Almost surely, 2^1613252223 is an apocalyptic number.

1613252223 is a deficient number, since it is larger than the sum of its proper divisors (1152871137).

1613252223 is a wasteful number, since it uses less digits than its factorization.

1613252223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301 (or 2287 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1613252223 is about 40165.3111901302. The cubic root of 1613252223 is about 1172.8273653969.

Adding to 1613252223 its reverse (3222523161), we get a palindrome (4835775384).

The spelling of 1613252223 in words is "one billion, six hundred thirteen million, two hundred fifty-two thousand, two hundred twenty-three".