1613252260 has 24 divisors (see below), whose sum is σ = 3405391416. Its totient is φ = 641955840.

The previous prime is 1613252243. The next prime is 1613252261. The reversal of 1613252260 is 622523161.

It can be written as a sum of positive squares in 4 ways, for example, as 427000896 + 1186251364 = 20664^2 + 34442^2 .

It is not an unprimeable number, because it can be changed into a prime (1613252261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205111 + ... + 212830.

It is an arithmetic number, because the mean of its divisors is an integer number (141891309).

Almost surely, 2^1613252260 is an apocalyptic number.

1613252260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1613252260 is an abundant number, since it is smaller than the sum of its proper divisors (1792139156).

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

1613252260 is a wasteful number, since it uses less digits than its factorization.

1613252260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418143 (or 418141 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1613252260 is about 40165.3116507267. The cubic root of 1613252260 is about 1172.8273743631.

The spelling of 1613252260 in words is "one billion, six hundred thirteen million, two hundred fifty-two thousand, two hundred sixty".