613102021 has 16 divisors (see below), whose sum is σ = 728576640. Its totient is φ = 504786240.

The previous prime is 613102003. The next prime is 613102037. The reversal of 613102021 is 120201316.

It is not a de Polignac number, because 613102021 - 2¹³ = 613093829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 613101986 and 613102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613102081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32326 + ... + 47656.

It is an arithmetic number, because the mean of its divisors is an integer number (45536040).

Almost surely, 2^613102021 is an apocalyptic number.

It is an amenable number.

613102021 is a deficient number, since it is larger than the sum of its proper divisors (115474619).

613102021 is a wasteful number, since it uses less digits than its factorization.

613102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15564.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 613102021 is about 24760.8970152537. The cubic root of 613102021 is about 849.5277750701.

Adding to 613102021 its reverse (120201316), we get a palindrome (733303337).

The spelling of 613102021 in words is "six hundred thirteen million, one hundred two thousand, twenty-one".