613504430 has 32 divisors (see below), whose sum is σ = 1376801280. Its totient is φ = 191221920.

The previous prime is 613504403. The next prime is 613504519. The reversal of 613504430 is 34405316.

It is a self number, because there is not a number n which added to its sum of digits gives 613504430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397610 + ... + 399149.

It is an arithmetic number, because the mean of its divisors is an integer number (43025040).

Almost surely, 2^613504430 is an apocalyptic number.

613504430 is an abundant number, since it is smaller than the sum of its proper divisors (763296850).

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

613504430 is a wasteful number, since it uses less digits than its factorization.

613504430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796784.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 613504430 is about 24769.0215793842. The cubic root of 613504430 is about 849.7135967036.

Adding to 613504430 its reverse (34405316), we get a palindrome (647909746).

The spelling of 613504430 in words is "six hundred thirteen million, five hundred four thousand, four hundred thirty".