340753213 has 2 divisors, whose sum is σ = 340753214. Its totient is φ = 340753212.

The previous prime is 340753207. The next prime is 340753229. The reversal of 340753213 is 312357043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331130809 + 9622404 = 18197^2 + 3102^2 .

It is a cyclic number.

It is not a de Polignac number, because 340753213 - 2⁵ = 340753181 is a prime.

It is a super-2 number, since 2×340753213² = 232225504339646738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340753813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170376606 + 170376607.

It is an arithmetic number, because the mean of its divisors is an integer number (170376607).

Almost surely, 2^340753213 is an apocalyptic number.

It is an amenable number.

340753213 is a deficient number, since it is larger than the sum of its proper divisors (1).

340753213 is an equidigital number, since it uses as much as digits as its factorization.

340753213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 340753213 is about 18459.5019705300. The cubic root of 340753213 is about 698.4682240033.

The spelling of 340753213 in words is "three hundred forty million, seven hundred fifty-three thousand, two hundred thirteen".