4345215625 has 12 divisors (see below), whose sum is σ = 5431175820. Its totient is φ = 3476170000.

The previous prime is 4345215619. The next prime is 4345215643. The reversal of 4345215625 is 5265125434.

It can be written as a sum of positive squares in 6 ways, for example, as 3221357049 + 1123858576 = 56757^2 + 33524^2 .

It is not a de Polignac number, because 4345215625 - 2⁵ = 4345215593 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 692110 + ... + 698359.

It is an arithmetic number, because the mean of its divisors is an integer number (452597985).

Almost surely, 2^4345215625 is an apocalyptic number.

It is an amenable number.

4345215625 is a deficient number, since it is larger than the sum of its proper divisors (1085960195).

4345215625 is an frugal number, since it uses more digits than its factorization.

4345215625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390494 (or 1390474 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 4345215625 is about 65918.2495595871. The cubic root of 4345215625 is about 1631.8132086342.

The spelling of 4345215625 in words is "four billion, three hundred forty-five million, two hundred fifteen thousand, six hundred twenty-five".