171056425 has 12 divisors (see below), whose sum is σ = 214059340. Its totient is φ = 135587520.

The previous prime is 171056423. The next prime is 171056437. The reversal of 171056425 is 524650171.

It can be written as a sum of positive squares in 6 ways, for example, as 5702544 + 165353881 = 2388^2 + 12859^2 .

It is not a de Polignac number, because 171056425 - 2¹ = 171056423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (171056423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28662 + ... + 34111.

Almost surely, 2^171056425 is an apocalyptic number.

It is an amenable number.

171056425 is a deficient number, since it is larger than the sum of its proper divisors (43002915).

171056425 is a wasteful number, since it uses less digits than its factorization.

171056425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62892 (or 62887 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 171056425 is about 13078.8541164737. The cubic root of 171056425 is about 555.1109536578.

The spelling of 171056425 in words is "one hundred seventy-one million, fifty-six thousand, four hundred twenty-five".