1341003857 has 2 divisors, whose sum is σ = 1341003858. Its totient is φ = 1341003856.

The previous prime is 1341003817. The next prime is 1341003871. The reversal of 1341003857 is 7583001431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 685182976 + 655820881 = 26176^2 + 25609^2 .

It is an emirp because it is prime and its reverse (7583001431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1341003857 - 2²⁸ = 1072568401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1341003817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670501928 + 670501929.

It is an arithmetic number, because the mean of its divisors is an integer number (670501929).

Almost surely, 2^1341003857 is an apocalyptic number.

It is an amenable number.

1341003857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341003857 is an equidigital number, since it uses as much as digits as its factorization.

1341003857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1341003857 is about 36619.7195101219. The cubic root of 1341003857 is about 1102.7490077087.

The spelling of 1341003857 in words is "one billion, three hundred forty-one million, three thousand, eight hundred fifty-seven".