425870171 has 4 divisors (see below), whose sum is σ = 426463200. Its totient is φ = 425277144.

The previous prime is 425870131. The next prime is 425870173. The reversal of 425870171 is 171078524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425870171 - 2¹⁴ = 425853787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425870173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295436 + ... + 296873.

It is an arithmetic number, because the mean of its divisors is an integer number (106615800).

Almost surely, 2^425870171 is an apocalyptic number.

425870171 is a deficient number, since it is larger than the sum of its proper divisors (593029).

425870171 is an equidigital number, since it uses as much as digits as its factorization.

425870171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593028.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 425870171 is about 20636.6220830833. The cubic root of 425870171 is about 752.3600743496.

The spelling of 425870171 in words is "four hundred twenty-five million, eight hundred seventy thousand, one hundred seventy-one".