1615340341 has 2 divisors, whose sum is σ = 1615340342. Its totient is φ = 1615340340.

The previous prime is 1615340297. The next prime is 1615340381. The reversal of 1615340341 is 1430435161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1527168241 + 88172100 = 39079^2 + 9390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1615340341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1615340381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 807670170 + 807670171.

It is an arithmetic number, because the mean of its divisors is an integer number (807670171).

Almost surely, 2^1615340341 is an apocalyptic number.

It is an amenable number.

1615340341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1615340341 is an equidigital number, since it uses as much as digits as its factorization.

1615340341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1615340341 is about 40191.2968315281. The cubic root of 1615340341 is about 1173.3331648068. Note that the first 3 decimals are identical.

The spelling of 1615340341 in words is "one billion, six hundred fifteen million, three hundred forty thousand, three hundred forty-one".