340240001 has 2 divisors, whose sum is σ = 340240002. Its totient is φ = 340240000.

The previous prime is 340239997. The next prime is 340240009. The reversal of 340240001 is 100042043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241833601 + 98406400 = 15551^2 + 9920^2 .

It is a cyclic number.

It is not a de Polignac number, because 340240001 - 2² = 340239997 is a prime.

It is a super-3 number, since 3×340240001³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (340240009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170120000 + 170120001.

It is an arithmetic number, because the mean of its divisors is an integer number (170120001).

Almost surely, 2^340240001 is an apocalyptic number.

It is an amenable number.

340240001 is a deficient number, since it is larger than the sum of its proper divisors (1).

340240001 is an equidigital number, since it uses as much as digits as its factorization.

340240001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 340240001 is about 18445.5957073769. The cubic root of 340240001 is about 698.1173910324.

Adding to 340240001 its reverse (100042043), we get a palindrome (440282044).

The spelling of 340240001 in words is "three hundred forty million, two hundred forty thousand, one".