725242242527 has 4 divisors (see below), whose sum is σ = 791173355496. Its totient is φ = 659311129560.

The previous prime is 725242242521. The next prime is 725242242607.

725242242527 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 725242242527 - 2⁶ = 725242242463 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 (725242242521) 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, 32965556468 + ... + 32965556489.

It is an arithmetic number, because the mean of its divisors is an integer number (197793338874).

Almost surely, 2^725242242527 is an apocalyptic number.

725242242527 is a deficient number, since it is larger than the sum of its proper divisors (65931112969).

725242242527 is a wasteful number, since it uses less digits than its factorization.

725242242527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65931112968.

The product of its digits is 1254400, while the sum is 44.

It can be divided in two parts, 725242 and 242527, that added together give a palindrome (967769).

The spelling of 725242242527 in words is "seven hundred twenty-five billion, two hundred forty-two million, two hundred forty-two thousand, five hundred twenty-seven".