347240263 has 4 divisors (see below), whose sum is σ = 347288688. Its totient is φ = 347191840.

The previous prime is 347240239. The next prime is 347240273. The reversal of 347240263 is 362042743.

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

It is a cyclic number.

It is not a de Polignac number, because 347240263 - 2¹³ = 347232071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347240203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11083 + ... + 28588.

It is an arithmetic number, because the mean of its divisors is an integer number (86822172).

Almost surely, 2^347240263 is an apocalyptic number.

347240263 is a deficient number, since it is larger than the sum of its proper divisors (48425).

347240263 is an equidigital number, since it uses as much as digits as its factorization.

347240263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48424.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 347240263 is about 18634.3838910762. The cubic root of 347240263 is about 702.8727271523.

The spelling of 347240263 in words is "three hundred forty-seven million, two hundred forty thousand, two hundred sixty-three".