345925549 has 2 divisors, whose sum is σ = 345925550. Its totient is φ = 345925548.

The previous prime is 345925523. The next prime is 345925577. The reversal of 345925549 is 945529543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229674025 + 116251524 = 15155^2 + 10782^2 .

It is a cyclic number.

It is not a de Polignac number, because 345925549 - 2⁷ = 345925421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345925499 and 345925508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345925649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172962774 + 172962775.

It is an arithmetic number, because the mean of its divisors is an integer number (172962775).

Almost surely, 2^345925549 is an apocalyptic number.

It is an amenable number.

345925549 is a deficient number, since it is larger than the sum of its proper divisors (1).

345925549 is an equidigital number, since it uses as much as digits as its factorization.

345925549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972000, while the sum is 46.

The square root of 345925549 is about 18599.0738747928. The cubic root of 345925549 is about 701.9845377990.

The spelling of 345925549 in words is "three hundred forty-five million, nine hundred twenty-five thousand, five hundred forty-nine".