340250353 has 4 divisors (see below), whose sum is σ = 340290288. Its totient is φ = 340210420.

The previous prime is 340250341. The next prime is 340250363. The reversal of 340250353 is 353052043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 353052043 = 151 ⋅2338093.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340250353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340250333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1483 + ... + 26128.

It is an arithmetic number, because the mean of its divisors is an integer number (85072572).

Almost surely, 2^340250353 is an apocalyptic number.

It is an amenable number.

340250353 is a deficient number, since it is larger than the sum of its proper divisors (39935).

340250353 is a wasteful number, since it uses less digits than its factorization.

340250353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39934.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 340250353 is about 18445.8763142335. The cubic root of 340250353 is about 698.1244711699.

The spelling of 340250353 in words is "three hundred forty million, two hundred fifty thousand, three hundred fifty-three".