345425405 has 16 divisors (see below), whose sum is σ = 460798464. Its totient is φ = 246853440.

The previous prime is 345425393. The next prime is 345425411. The reversal of 345425405 is 504524543.

It is not a de Polignac number, because 345425405 - 2²⁸ = 76989949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 83699 + ... + 87728.

It is an arithmetic number, because the mean of its divisors is an integer number (28799904).

Almost surely, 2^345425405 is an apocalyptic number.

It is an amenable number.

345425405 is a deficient number, since it is larger than the sum of its proper divisors (115373059).

345425405 is a wasteful number, since it uses less digits than its factorization.

345425405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171476.

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 345425405 is about 18585.6236107374. The cubic root of 345425405 is about 701.6460615990.

Adding to 345425405 its reverse (504524543), we get a palindrome (849949948).

The spelling of 345425405 in words is "three hundred forty-five million, four hundred twenty-five thousand, four hundred five".