620441 has 2 divisors, whose sum is σ = 620442. Its totient is φ = 620440.

The previous prime is 620437. The next prime is 620461. The reversal of 620441 is 144026.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 355216 + 265225 = 596^2 + 515^2 .

It is a cyclic number.

It is not a de Polignac number, because 620441 - 2² = 620437 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (620401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310220 + 310221.

It is an arithmetic number, because the mean of its divisors is an integer number (310221).

2⁶²⁰⁴⁴¹ is an apocalyptic number.

It is an amenable number.

620441 is a deficient number, since it is larger than the sum of its proper divisors (1).

620441 is an equidigital number, since it uses as much as digits as its factorization.

620441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 620441 is about 787.6807729023. The cubic root of 620441 is about 85.2904023282.

Adding to 620441 its reverse (144026), we get a palindrome (764467).

The spelling of 620441 in words is "six hundred twenty thousand, four hundred forty-one".