4025320345 has 8 divisors (see below), whose sum is σ = 4948198920. Its totient is φ = 3141713280.

The previous prime is 4025320337. The next prime is 4025320361. The reversal of 4025320345 is 5430235204.

It can be written as a sum of positive squares in 4 ways, for example, as 342287001 + 3683033344 = 18501^2 + 60688^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4025320345 - 2³ = 4025320337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9817650 + ... + 9818059.

It is an arithmetic number, because the mean of its divisors is an integer number (618524865).

Almost surely, 2^4025320345 is an apocalyptic number.

It is an amenable number.

4025320345 is a deficient number, since it is larger than the sum of its proper divisors (922878575).

4025320345 is a wasteful number, since it uses less digits than its factorization.

4025320345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19635755.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 4025320345 is about 63445.4123242965. The cubic root of 4025320345 is about 1590.7434711147.

Adding to 4025320345 its reverse (5430235204), we get a palindrome (9455555549).

The spelling of 4025320345 in words is "four billion, twenty-five million, three hundred twenty thousand, three hundred forty-five".