346251089 has 2 divisors, whose sum is σ = 346251090. Its totient is φ = 346251088.

The previous prime is 346251013. The next prime is 346251091. The reversal of 346251089 is 980152643.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216678400 + 129572689 = 14720^2 + 11383^2 .

It is a cyclic number.

It is not a de Polignac number, because 346251089 - 2¹² = 346246993 is a prime.

Together with 346251091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (346251889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173125544 + 173125545.

It is an arithmetic number, because the mean of its divisors is an integer number (173125545).

Almost surely, 2^346251089 is an apocalyptic number.

It is an amenable number.

346251089 is a deficient number, since it is larger than the sum of its proper divisors (1).

346251089 is an equidigital number, since it uses as much as digits as its factorization.

346251089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 346251089 is about 18607.8233278371. The cubic root of 346251089 is about 702.2046741828.

The spelling of 346251089 in words is "three hundred forty-six million, two hundred fifty-one thousand, eighty-nine".