340526261 has 8 divisors (see below), whose sum is σ = 345400320. Its totient is φ = 335666448.

The previous prime is 340526237. The next prime is 340526267. The reversal of 340526261 is 162625043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340526261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340526267) 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 in 7 ways as a sum of consecutive naturals, for example, 50300 + ... + 56666.

It is an arithmetic number, because the mean of its divisors is an integer number (43175040).

Almost surely, 2^340526261 is an apocalyptic number.

It is an amenable number.

340526261 is a deficient number, since it is larger than the sum of its proper divisors (4874059).

340526261 is an equidigital number, since it uses as much as digits as its factorization.

340526261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7123.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 340526261 is about 18453.3536518433. The cubic root of 340526261 is about 698.3131225397.

The spelling of 340526261 in words is "three hundred forty million, five hundred twenty-six thousand, two hundred sixty-one".