620430341 has 2 divisors, whose sum is σ = 620430342. Its totient is φ = 620430340.

The previous prime is 620430337. The next prime is 620430347. The reversal of 620430341 is 143034026.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 611127841 + 9302500 = 24721^2 + 3050^2 .

It is a cyclic number.

It is not a de Polignac number, because 620430341 - 2² = 620430337 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620430347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310215170 + 310215171.

It is an arithmetic number, because the mean of its divisors is an integer number (310215171).

Almost surely, 2^620430341 is an apocalyptic number.

It is an amenable number.

620430341 is a deficient number, since it is larger than the sum of its proper divisors (1).

620430341 is an equidigital number, since it uses as much as digits as its factorization.

620430341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 620430341 is about 24908.4391522231. The cubic root of 620430341 is about 852.8991390378.

Adding to 620430341 its reverse (143034026), we get a palindrome (763464367).

The spelling of 620430341 in words is "six hundred twenty million, four hundred thirty thousand, three hundred forty-one".