340801249 has 2 divisors, whose sum is σ = 340801250. Its totient is φ = 340801248.

The previous prime is 340801247. The next prime is 340801267. The reversal of 340801249 is 942108043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218300625 + 122500624 = 14775^2 + 11068^2 .

It is an emirp because it is prime and its reverse (942108043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340801249 - 2¹ = 340801247 is a prime.

It is a super-2 number, since 2×340801249² = 232290982639920002, which contains 22 as substring.

Together with 340801247, it forms a pair of twin primes.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 340801249.

It is not a weakly prime, because it can be changed into another prime (340801247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170400624 + 170400625.

It is an arithmetic number, because the mean of its divisors is an integer number (170400625).

Almost surely, 2^340801249 is an apocalyptic number.

It is an amenable number.

340801249 is a deficient number, since it is larger than the sum of its proper divisors (1).

340801249 is an equidigital number, since it uses as much as digits as its factorization.

340801249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 340801249 is about 18460.8030432048. The cubic root of 340801249 is about 698.5010434964.

The spelling of 340801249 in words is "three hundred forty million, eight hundred one thousand, two hundred forty-nine".