5401582171 has 4 divisors (see below), whose sum is σ = 5428726000. Its totient is φ = 5374438344.

The previous prime is 5401582157. The next prime is 5401582189. The reversal of 5401582171 is 1712851045.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5401582171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5401582141) 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, 13571616 + ... + 13572013.

It is an arithmetic number, because the mean of its divisors is an integer number (1357181500).

Almost surely, 2^5401582171 is an apocalyptic number.

5401582171 is a deficient number, since it is larger than the sum of its proper divisors (27143829).

5401582171 is a wasteful number, since it uses less digits than its factorization.

5401582171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27143828.

The product of its (nonzero) digits is 11200, while the sum is 34.

The square root of 5401582171 is about 73495.4568051659. The cubic root of 5401582171 is about 1754.5819704950.

The spelling of 5401582171 in words is "five billion, four hundred one million, five hundred eighty-two thousand, one hundred seventy-one".