5171420653 has 6 divisors (see below), whose sum is σ = 6015734286. Its totient is φ = 4432646232.

The previous prime is 5171420647. The next prime is 5171420663. The reversal of 5171420653 is 3560241715.

It can be written as a sum of positive squares in only one way, i.e., 3551921604 + 1619499049 = 59598^2 + 40243^2 .

It is not a de Polignac number, because 5171420653 - 2⁹ = 5171420141 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 (5171420663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52769550 + ... + 52769647.

It is an arithmetic number, because the mean of its divisors is an integer number (1002622381).

Almost surely, 2^5171420653 is an apocalyptic number.

It is an amenable number.

5171420653 is a deficient number, since it is larger than the sum of its proper divisors (844313633).

5171420653 is a wasteful number, since it uses less digits than its factorization.

5171420653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105539211 (or 105539204 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 5171420653 is about 71912.5903649702. The cubic root of 5171420653 is about 1729.2984618103.

The spelling of 5171420653 in words is "five billion, one hundred seventy-one million, four hundred twenty thousand, six hundred fifty-three".