1682571361 has 2 divisors, whose sum is σ = 1682571362. Its totient is φ = 1682571360.

The previous prime is 1682571301. The next prime is 1682571383. The reversal of 1682571361 is 1631752861.

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., 1247431761 + 435139600 = 35319^2 + 20860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1682571361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1682571301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841285680 + 841285681.

It is an arithmetic number, because the mean of its divisors is an integer number (841285681).

Almost surely, 2^1682571361 is an apocalyptic number.

It is an amenable number.

1682571361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1682571361 is an equidigital number, since it uses as much as digits as its factorization.

1682571361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 40.

The square root of 1682571361 is about 41019.1584628451. The cubic root of 1682571361 is about 1189.3905880916.

The spelling of 1682571361 in words is "one billion, six hundred eighty-two million, five hundred seventy-one thousand, three hundred sixty-one".