340303741 has 2 divisors, whose sum is σ = 340303742. Its totient is φ = 340303740.

The previous prime is 340303729. The next prime is 340303751. The reversal of 340303741 is 147303043.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251095716 + 89208025 = 15846^2 + 9445^2 .

It is an emirp because it is prime and its reverse (147303043) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340303741 is a prime.

It is a super-2 number, since 2×340303741² = 231613272277190162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340303751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170151870 + 170151871.

It is an arithmetic number, because the mean of its divisors is an integer number (170151871).

Almost surely, 2^340303741 is an apocalyptic number.

It is an amenable number.

340303741 is a deficient number, since it is larger than the sum of its proper divisors (1).

340303741 is an equidigital number, since it uses as much as digits as its factorization.

340303741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 340303741 is about 18447.3234101861. The cubic root of 340303741 is about 698.1609830302.

Adding to 340303741 its reverse (147303043), we get a palindrome (487606784).

The spelling of 340303741 in words is "three hundred forty million, three hundred three thousand, seven hundred forty-one".