345906425 has 6 divisors (see below), whose sum is σ = 428923998. Its totient is φ = 276725120.

The previous prime is 345906409. The next prime is 345906479. The reversal of 345906425 is 524609543.

It can be written as a sum of positive squares in 3 ways, for example, as 652864 + 345253561 = 808^2 + 18581^2 .

It is not a de Polignac number, because 345906425 - 2⁴ = 345906409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6918104 + ... + 6918153.

It is an arithmetic number, because the mean of its divisors is an integer number (71487333).

Almost surely, 2^345906425 is an apocalyptic number.

It is an amenable number.

345906425 is a deficient number, since it is larger than the sum of its proper divisors (83017573).

345906425 is a wasteful number, since it uses less digits than its factorization.

345906425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13836267 (or 13836262 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 345906425 is about 18598.5597560671. The cubic root of 345906425 is about 701.9716014897.

The spelling of 345906425 in words is "three hundred forty-five million, nine hundred six thousand, four hundred twenty-five".