348032261 has 2 divisors, whose sum is σ = 348032262. Its totient is φ = 348032260.

The previous prime is 348032233. The next prime is 348032281. The reversal of 348032261 is 162230843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 327827236 + 20205025 = 18106^2 + 4495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348032261 is a prime.

It is a super-2 number, since 2×348032261² = 242252909393544242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348032281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174016130 + 174016131.

It is an arithmetic number, because the mean of its divisors is an integer number (174016131).

Almost surely, 2^348032261 is an apocalyptic number.

It is an amenable number.

348032261 is a deficient number, since it is larger than the sum of its proper divisors (1).

348032261 is an equidigital number, since it uses as much as digits as its factorization.

348032261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 348032261 is about 18655.6227717008. The cubic root of 348032261 is about 703.4067004668.

The spelling of 348032261 in words is "three hundred forty-eight million, thirty-two thousand, two hundred sixty-one".