7250515505 has 8 divisors (see below), whose sum is σ = 8701957224. Its totient is φ = 5799520000.

The previous prime is 7250515499. The next prime is 7250515511. The reversal of 7250515505 is 5055150527.

It is an interprime number because it is at equal distance from previous prime (7250515499) and next prime (7250515511).

It can be written as a sum of positive squares in 4 ways, for example, as 782656576 + 6467858929 = 27976^2 + 80423^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7250515505 - 2¹⁴ = 7250499121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74696 + ... + 141705.

It is an arithmetic number, because the mean of its divisors is an integer number (1087744653).

Almost surely, 2^7250515505 is an apocalyptic number.

It is an amenable number.

7250515505 is a deficient number, since it is larger than the sum of its proper divisors (1451441719).

7250515505 is a wasteful number, since it uses less digits than its factorization.

7250515505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223107.

The product of its (nonzero) digits is 43750, while the sum is 35.

The square root of 7250515505 is about 85149.9589254158. The cubic root of 7250515505 is about 1935.4841917845.

The spelling of 7250515505 in words is "seven billion, two hundred fifty million, five hundred fifteen thousand, five hundred five".