245631171 has 8 divisors (see below), whose sum is σ = 327994704. Its totient is φ = 163510880.

The previous prime is 245631161. The next prime is 245631193. The reversal of 245631171 is 171136542.

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

It is a cyclic number.

It is not a de Polignac number, because 245631171 - 2⁹ = 245630659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245631161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58440 + ... + 62501.

It is an arithmetic number, because the mean of its divisors is an integer number (40999338).

Almost surely, 2^245631171 is an apocalyptic number.

245631171 is a deficient number, since it is larger than the sum of its proper divisors (82363533).

245631171 is a wasteful number, since it uses less digits than its factorization.

245631171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121621.

The product of its digits is 5040, while the sum is 30.

The square root of 245631171 is about 15672.6248918297. The cubic root of 245631171 is about 626.2693528308.

The spelling of 245631171 in words is "two hundred forty-five million, six hundred thirty-one thousand, one hundred seventy-one".