7251171005 has 16 divisors (see below), whose sum is σ = 9374279040. Its totient is φ = 5352691008.

The previous prime is 7251170917. The next prime is 7251171013. The reversal of 7251171005 is 5001711527.

It is a cyclic number.

It is not a de Polignac number, because 7251171005 - 2¹⁶ = 7251105469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165176 + ... + 204414.

It is an arithmetic number, because the mean of its divisors is an integer number (585892440).

Almost surely, 2^7251171005 is an apocalyptic number.

It is an amenable number.

7251171005 is a deficient number, since it is larger than the sum of its proper divisors (2123108035).

7251171005 is a wasteful number, since it uses less digits than its factorization.

7251171005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42100.

The product of its (nonzero) digits is 2450, while the sum is 29.

The square root of 7251171005 is about 85153.8079301214. The cubic root of 7251171005 is about 1935.5425173686.

The spelling of 7251171005 in words is "seven billion, two hundred fifty-one million, one hundred seventy-one thousand, five".