7265001505 has 4 divisors (see below), whose sum is σ = 8718001812. Its totient is φ = 5812001200.

The previous prime is 7265001473. The next prime is 7265001509. The reversal of 7265001505 is 5051005627.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4809699904 + 2455301601 = 69352^2 + 49551^2 .

It is not a de Polignac number, because 7265001505 - 2⁵ = 7265001473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7265001509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726500146 + ... + 726500155.

It is an arithmetic number, because the mean of its divisors is an integer number (2179500453).

Almost surely, 2^7265001505 is an apocalyptic number.

It is an amenable number.

7265001505 is a deficient number, since it is larger than the sum of its proper divisors (1453000307).

7265001505 is a wasteful number, since it uses less digits than its factorization.

7265001505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453000306.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 7265001505 is about 85234.9781779757. The cubic root of 7265001505 is about 1936.7723196166.

The spelling of 7265001505 in words is "seven billion, two hundred sixty-five million, one thousand, five hundred five".