343460261 has 2 divisors, whose sum is σ = 343460262. Its totient is φ = 343460260.

The previous prime is 343460237. The next prime is 343460267. The reversal of 343460261 is 162064343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267944161 + 75516100 = 16369^2 + 8690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343460261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343460267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171730130 + 171730131.

It is an arithmetic number, because the mean of its divisors is an integer number (171730131).

Almost surely, 2^343460261 is an apocalyptic number.

It is an amenable number.

343460261 is a deficient number, since it is larger than the sum of its proper divisors (1).

343460261 is an equidigital number, since it uses as much as digits as its factorization.

343460261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 343460261 is about 18532.6808907940. The cubic root of 343460261 is about 700.3129627778.

The spelling of 343460261 in words is "three hundred forty-three million, four hundred sixty thousand, two hundred sixty-one".