1604217341 has 2 divisors, whose sum is σ = 1604217342. Its totient is φ = 1604217340.

The previous prime is 1604217311. The next prime is 1604217343. The reversal of 1604217341 is 1437124061.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 902762116 + 701455225 = 30046^2 + 26485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1604217341 is a prime.

It is a super-2 number, since 2×1604217341² = 5147026554330220562, which contains 22 as substring.

Together with 1604217343, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1604217343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802108670 + 802108671.

It is an arithmetic number, because the mean of its divisors is an integer number (802108671).

Almost surely, 2^1604217341 is an apocalyptic number.

It is an amenable number.

1604217341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1604217341 is an equidigital number, since it uses as much as digits as its factorization.

1604217341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1604217341 is about 40052.6820699938. The cubic root of 1604217341 is about 1170.6338253724.

The spelling of 1604217341 in words is "one billion, six hundred four million, two hundred seventeen thousand, three hundred forty-one".