613011420 has 144 divisors (see below), whose sum is σ = 2146592448. Its totient is φ = 138700800.

The previous prime is 613011389. The next prime is 613011437. The reversal of 613011420 is 24110316.

It is a happy number.

613011420 is a `hidden beast` number, since 613 + 0 + 11 + 42 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 613011393 and 613011402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124852 + ... + 129668.

It is an arithmetic number, because the mean of its divisors is an integer number (14906892).

Almost surely, 2^613011420 is an apocalyptic number.

613011420 is a gapful number since it is divisible by the number (60) 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 613011420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073296224).

613011420 is an abundant number, since it is smaller than the sum of its proper divisors (1533581028).

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

613011420 is a wasteful number, since it uses less digits than its factorization.

613011420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940 (or 4935 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 613011420 is about 24759.0674299336. The cubic root of 613011420 is about 849.4859267562.

Adding to 613011420 its reverse (24110316), we get a palindrome (637121736).

The spelling of 613011420 in words is "six hundred thirteen million, eleven thousand, four hundred twenty".