340325009 has 2 divisors, whose sum is σ = 340325010. Its totient is φ = 340325008.

The previous prime is 340324993. The next prime is 340325059. The reversal of 340325009 is 900523043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305550400 + 34774609 = 17480^2 + 5897^2 .

It is a cyclic number.

It is not a de Polignac number, because 340325009 - 2⁴ = 340324993 is a prime.

It is a super-2 number, since 2×340325009² = 231642223501700162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340325059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170162504 + 170162505.

It is an arithmetic number, because the mean of its divisors is an integer number (170162505).

Almost surely, 2^340325009 is an apocalyptic number.

It is an amenable number.

340325009 is a deficient number, since it is larger than the sum of its proper divisors (1).

340325009 is an equidigital number, since it uses as much as digits as its factorization.

340325009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 340325009 is about 18447.8998533708. The cubic root of 340325009 is about 698.1755270749.

The spelling of 340325009 in words is "three hundred forty million, three hundred twenty-five thousand, nine".