348403261 has 4 divisors (see below), whose sum is σ = 349337692. Its totient is φ = 347468832.

The previous prime is 348403217. The next prime is 348403271. The reversal of 348403261 is 162304843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 162304843 = 6829 ⋅23767.

It can be written as a sum of positive squares in 2 ways, for example, as 284563161 + 63840100 = 16869^2 + 7990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348403261 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 (348403271) 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, 466656 + ... + 467401.

It is an arithmetic number, because the mean of its divisors is an integer number (87334423).

Almost surely, 2^348403261 is an apocalyptic number.

It is an amenable number.

348403261 is a deficient number, since it is larger than the sum of its proper divisors (934431).

348403261 is an equidigital number, since it uses as much as digits as its factorization.

348403261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934430.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 348403261 is about 18665.5635060932. The cubic root of 348403261 is about 703.6565539444.

The spelling of 348403261 in words is "three hundred forty-eight million, four hundred three thousand, two hundred sixty-one".