5401565173 has 4 divisors (see below), whose sum is σ = 5408701420. Its totient is φ = 5394428928.

The previous prime is 5401565161. The next prime is 5401565177. The reversal of 5401565173 is 3715651045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3715651045 = 5 ⋅743130209.

It can be written as a sum of positive squares in 2 ways, for example, as 1717439364 + 3684125809 = 41442^2 + 60697^2 .

It is a cyclic number.

It is not a de Polignac number, because 5401565173 - 2⁹ = 5401564661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401565177) 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, 3566988 + ... + 3568501.

It is an arithmetic number, because the mean of its divisors is an integer number (1352175355).

Almost surely, 2^5401565173 is an apocalyptic number.

It is an amenable number.

5401565173 is a deficient number, since it is larger than the sum of its proper divisors (7136247).

5401565173 is an equidigital number, since it uses as much as digits as its factorization.

5401565173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7136246.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 5401565173 is about 73495.3411652739. The cubic root of 5401565173 is about 1754.5801300209.

The spelling of 5401565173 in words is "five billion, four hundred one million, five hundred sixty-five thousand, one hundred seventy-three".