855417325 has 24 divisors (see below), whose sum is σ = 1214440128. Its totient is φ = 585511680.

The previous prime is 855417307. The next prime is 855417331. The reversal of 855417325 is 523714558.

It is a de Polignac number, because none of the positive numbers 2^k-855417325 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99654 + ... + 107896.

It is an arithmetic number, because the mean of its divisors is an integer number (50601672).

Almost surely, 2^855417325 is an apocalyptic number.

It is an amenable number.

855417325 is a deficient number, since it is larger than the sum of its proper divisors (359022803).

855417325 is a wasteful number, since it uses less digits than its factorization.

855417325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8853 (or 8848 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The square root of 855417325 is about 29247.5182707867. The cubic root of 855417325 is about 949.2763926490.

The spelling of 855417325 in words is "eight hundred fifty-five million, four hundred seventeen thousand, three hundred twenty-five".