620706803 has 2 divisors, whose sum is σ = 620706804. Its totient is φ = 620706802.

The previous prime is 620706767. The next prime is 620706811. The reversal of 620706803 is 308607026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620706803 - 2¹⁰ = 620705779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 620706803.

It is not a weakly prime, because it can be changed into another prime (620706883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310353401 + 310353402.

It is an arithmetic number, because the mean of its divisors is an integer number (310353402).

Almost surely, 2^620706803 is an apocalyptic number.

620706803 is a deficient number, since it is larger than the sum of its proper divisors (1).

620706803 is an equidigital number, since it uses as much as digits as its factorization.

620706803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 620706803 is about 24913.9880990579. The cubic root of 620706803 is about 853.0258033716.

The spelling of 620706803 in words is "six hundred twenty million, seven hundred six thousand, eight hundred three".