345523725 has 60 divisors (see below), whose sum is σ = 677745684. Its totient is φ = 173422080.

The previous prime is 345523709. The next prime is 345523729. The reversal of 345523725 is 527325543.

345523725 is a `hidden beast` number, since 34 + 552 + 3 + 72 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 2125764 + 343397961 = 1458^2 + 18531^2 .

It is not a de Polignac number, because 345523725 - 2⁴ = 345523709 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 345523725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345523729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 29407 + ... + 39443.

Almost surely, 2^345523725 is an apocalyptic number.

It is an amenable number.

345523725 is a deficient number, since it is larger than the sum of its proper divisors (332221959).

345523725 is a wasteful number, since it uses less digits than its factorization.

345523725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10076 (or 10062 counting only the distinct ones).

The product of its digits is 126000, while the sum is 36.

The square root of 345523725 is about 18588.2684777254. The cubic root of 345523725 is about 701.7126261843.

The spelling of 345523725 in words is "three hundred forty-five million, five hundred twenty-three thousand, seven hundred twenty-five".