1613825352 has 24 divisors (see below), whose sum is σ = 4370777190. Its totient is φ = 537941760.

The previous prime is 1613825309. The next prime is 1613825359. The reversal of 1613825352 is 2535283161.

1613825352 is a `hidden beast` number, since 1 + 613 + 8 + 2 + 5 + 35 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1606887396 + 6937956 = 40086^2 + 2634^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1613825359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11207049 + ... + 11207192.

Almost surely, 2^1613825352 is an apocalyptic number.

1613825352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1613825352 is an abundant number, since it is smaller than the sum of its proper divisors (2756951838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1613825352 is a wasteful number, since it uses less digits than its factorization.

1613825352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22414253 (or 22414246 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 1613825352 is about 40172.4451832347. The cubic root of 1613825352 is about 1172.9662363849.

The spelling of 1613825352 in words is "one billion, six hundred thirteen million, eight hundred twenty-five thousand, three hundred fifty-two".