620603413 has 4 divisors (see below), whose sum is σ = 623200320. Its totient is φ = 618006508.

The previous prime is 620603383. The next prime is 620603443. The reversal of 620603413 is 314306026.

620603413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (620603383) and next prime (620603443).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620603413 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 (620603443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1298095 + ... + 1298572.

It is an arithmetic number, because the mean of its divisors is an integer number (155800080).

Almost surely, 2^620603413 is an apocalyptic number.

It is an amenable number.

620603413 is a deficient number, since it is larger than the sum of its proper divisors (2596907).

620603413 is a wasteful number, since it uses less digits than its factorization.

620603413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596906.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 620603413 is about 24911.9130738689. The cubic root of 620603413 is about 852.9784384243.

Adding to 620603413 its reverse (314306026), we get a palindrome (934909439).

The spelling of 620603413 in words is "six hundred twenty million, six hundred three thousand, four hundred thirteen".