619224241 has 2 divisors, whose sum is σ = 619224242. Its totient is φ = 619224240.

The previous prime is 619224227. The next prime is 619224247. The reversal of 619224241 is 142422916.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368793616 + 250430625 = 19204^2 + 15825^2 .

It is a cyclic number.

It is not a de Polignac number, because 619224241 - 2¹¹ = 619222193 is a prime.

It is not a weakly prime, because it can be changed into another prime (619224247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309612120 + 309612121.

It is an arithmetic number, because the mean of its divisors is an integer number (309612121).

Almost surely, 2^619224241 is an apocalyptic number.

It is an amenable number.

619224241 is a deficient number, since it is larger than the sum of its proper divisors (1).

619224241 is an equidigital number, since it uses as much as digits as its factorization.

619224241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 619224241 is about 24884.2167045700. The cubic root of 619224241 is about 852.3461094813.

The spelling of 619224241 in words is "six hundred nineteen million, two hundred twenty-four thousand, two hundred forty-one".