613020407 has 4 divisors (see below), whose sum is σ = 613598160. Its totient is φ = 612442656.

The previous prime is 613020377. The next prime is 613020413. The reversal of 613020407 is 704020316.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 613020407 - 2¹⁰ = 613019383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613020467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287282 + ... + 289407.

It is an arithmetic number, because the mean of its divisors is an integer number (153399540).

Almost surely, 2^613020407 is an apocalyptic number.

613020407 is a deficient number, since it is larger than the sum of its proper divisors (577753).

613020407 is a wasteful number, since it uses less digits than its factorization.

613020407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577752.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 613020407 is about 24759.2489183335. The cubic root of 613020407 is about 849.4900780071.

Subtracting 613020407 from its reverse (704020316), we obtain a palindrome (90999909).

The spelling of 613020407 in words is "six hundred thirteen million, twenty thousand, four hundred seven".