725505527 has 4 divisors (see below), whose sum is σ = 725652696. Its totient is φ = 725358360.

The previous prime is 725505497. The next prime is 725505533.

725505527 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 725505527 - 2¹² = 725501431 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 (725505587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65924 + ... + 76137.

It is an arithmetic number, because the mean of its divisors is an integer number (181413174).

Almost surely, 2^725505527 is an apocalyptic number.

725505527 is a deficient number, since it is larger than the sum of its proper divisors (147169).

725505527 is a wasteful number, since it uses less digits than its factorization.

725505527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147168.

The product of its (nonzero) digits is 122500, while the sum is 38.

The square root of 725505527 is about 26935.2098005566. The cubic root of 725505527 is about 898.5596413494.

The spelling of 725505527 in words is "seven hundred twenty-five million, five hundred five thousand, five hundred twenty-seven".