340264549 has 2 divisors, whose sum is σ = 340264550. Its totient is φ = 340264548.

The previous prime is 340264541. The next prime is 340264567. The reversal of 340264549 is 945462043.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 302133924 + 38130625 = 17382^2 + 6175^2 .

It is an emirp because it is prime and its reverse (945462043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340264549 - 2³ = 340264541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340264541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170132274 + 170132275.

It is an arithmetic number, because the mean of its divisors is an integer number (170132275).

Almost surely, 2^340264549 is an apocalyptic number.

It is an amenable number.

340264549 is a deficient number, since it is larger than the sum of its proper divisors (1).

340264549 is an equidigital number, since it uses as much as digits as its factorization.

340264549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 340264549 is about 18446.2611116725. The cubic root of 340264549 is about 698.1341801357.

The spelling of 340264549 in words is "three hundred forty million, two hundred sixty-four thousand, five hundred forty-nine".