341156261 has 4 divisors (see below), whose sum is σ = 352920300. Its totient is φ = 329392224.

The previous prime is 341156251. The next prime is 341156273. The reversal of 341156261 is 162651143.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112572100 + 228584161 = 10610^2 + 15119^2 .

It is a cyclic number.

It is not a de Polignac number, because 341156261 - 2¹⁰ = 341155237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 11764009 = 341156261 / (3 + 4 + 1 + 1 + 5 + 6 + 2 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (341156201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5881976 + ... + 5882033.

It is an arithmetic number, because the mean of its divisors is an integer number (88230075).

Almost surely, 2^341156261 is an apocalyptic number.

It is an amenable number.

341156261 is a deficient number, since it is larger than the sum of its proper divisors (11764039).

341156261 is a wasteful number, since it uses less digits than its factorization.

341156261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11764038.

The product of its digits is 4320, while the sum is 29.

The square root of 341156261 is about 18470.4158318106. The cubic root of 341156261 is about 698.7435017205.

The spelling of 341156261 in words is "three hundred forty-one million, one hundred fifty-six thousand, two hundred sixty-one".