345249127 has 2 divisors, whose sum is σ = 345249128. Its totient is φ = 345249126.

The previous prime is 345249103. The next prime is 345249131. The reversal of 345249127 is 721942543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345249127 - 2⁷ = 345248999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345249227) 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 as a sum of consecutive naturals, namely, 172624563 + 172624564.

It is an arithmetic number, because the mean of its divisors is an integer number (172624564).

Almost surely, 2^345249127 is an apocalyptic number.

345249127 is a deficient number, since it is larger than the sum of its proper divisors (1).

345249127 is an equidigital number, since it uses as much as digits as its factorization.

345249127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 345249127 is about 18580.8806841872. The cubic root of 345249127 is about 701.5266862739.

The spelling of 345249127 in words is "three hundred forty-five million, two hundred forty-nine thousand, one hundred twenty-seven".