620401303 has 2 divisors, whose sum is σ = 620401304. Its totient is φ = 620401302.

The previous prime is 620401259. The next prime is 620401361. The reversal of 620401303 is 303104026.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 620401303 - 2⁹ = 620400791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620401393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310200651 + 310200652.

It is an arithmetic number, because the mean of its divisors is an integer number (310200652).

Almost surely, 2^620401303 is an apocalyptic number.

620401303 is a deficient number, since it is larger than the sum of its proper divisors (1).

620401303 is an equidigital number, since it uses as much as digits as its factorization.

620401303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 620401303 is about 24907.8562505889. The cubic root of 620401303 is about 852.8858327513.

Adding to 620401303 its reverse (303104026), we get a palindrome (923505329).

The spelling of 620401303 in words is "six hundred twenty million, four hundred one thousand, three hundred three".