7245172591 has 8 divisors (see below), whose sum is σ = 7729921584. Its totient is φ = 6766930560.

The previous prime is 7245172579. The next prime is 7245172601. The reversal of 7245172591 is 1952715427.

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 7245172591 - 2¹⁷ = 7245041519 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 (7245172691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1624440 + ... + 1628893.

It is an arithmetic number, because the mean of its divisors is an integer number (966240198).

Almost surely, 2^7245172591 is an apocalyptic number.

7245172591 is a deficient number, since it is larger than the sum of its proper divisors (484748993).

7245172591 is a wasteful number, since it uses less digits than its factorization.

7245172591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253481.

The product of its digits is 176400, while the sum is 43.

The square root of 7245172591 is about 85118.5795875378. The cubic root of 7245172591 is about 1935.0086547118.

The spelling of 7245172591 in words is "seven billion, two hundred forty-five million, one hundred seventy-two thousand, five hundred ninety-one".