340124641 has 2 divisors, whose sum is σ = 340124642. Its totient is φ = 340124640.

The previous prime is 340124633. The next prime is 340124647. The reversal of 340124641 is 146421043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295702416 + 44422225 = 17196^2 + 6665^2 .

It is an emirp because it is prime and its reverse (146421043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340124641 - 2³ = 340124633 is a prime.

It is not a weakly prime, because it can be changed into another prime (340124647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170062320 + 170062321.

It is an arithmetic number, because the mean of its divisors is an integer number (170062321).

Almost surely, 2^340124641 is an apocalyptic number.

It is an amenable number.

340124641 is a deficient number, since it is larger than the sum of its proper divisors (1).

340124641 is an equidigital number, since it uses as much as digits as its factorization.

340124641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 340124641 is about 18442.4684085401. The cubic root of 340124641 is about 698.0384820999.

Adding to 340124641 its reverse (146421043), we get a palindrome (486545684).

The spelling of 340124641 in words is "three hundred forty million, one hundred twenty-four thousand, six hundred forty-one".