34681261 has 2 divisors, whose sum is σ = 34681262. Its totient is φ = 34681260.

The previous prime is 34681249. The next prime is 34681267. The reversal of 34681261 is 16218643.

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., 30140100 + 4541161 = 5490^2 + 2131^2 .

It is a cyclic number.

It is not a de Polignac number, because 34681261 - 2¹¹ = 34679213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34681267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17340630 + 17340631.

It is an arithmetic number, because the mean of its divisors is an integer number (17340631).

Almost surely, 2^34681261 is an apocalyptic number.

It is an amenable number.

34681261 is a deficient number, since it is larger than the sum of its proper divisors (1).

34681261 is an equidigital number, since it uses as much as digits as its factorization.

34681261 is an odious number, because the sum of its binary digits is odd.

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

The square root of 34681261 is about 5889.0798092741. The cubic root of 34681261 is about 326.1106334079.

The spelling of 34681261 in words is "thirty-four million, six hundred eighty-one thousand, two hundred sixty-one".