1613062500 has 168 divisors, whose sum is σ = 5381181120. Its totient is φ = 368400000.

The previous prime is 1613062487. The next prime is 1613062501. The reversal of 1613062500 is 52603161.

It is not an unprimeable number, because it can be changed into a prime (1613062501) 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 55 ways as a sum of consecutive naturals, for example, 1311886 + ... + 1313114.

It is an arithmetic number, because the mean of its divisors is an integer number (32030840).

Almost surely, 2^1613062500 is an apocalyptic number.

1613062500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1613062500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2690590560).

1613062500 is an abundant number, since it is smaller than the sum of its proper divisors (3768118620).

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

1613062500 is an equidigital number, since it uses as much as digits as its factorization.

1613062500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1613062500 is about 40162.9493438916. The cubic root of 1613062500 is about 1172.7813876619.

Adding to 1613062500 its reverse (52603161), we get a palindrome (1665665661).

The spelling of 1613062500 in words is "one billion, six hundred thirteen million, sixty-two thousand, five hundred".