725612542573 has 4 divisors (see below), whose sum is σ = 726075602560. Its totient is φ = 725149482588.

The previous prime is 725612542559. The next prime is 725612542643. The reversal of 725612542573 is 375245216527.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 725612542573 - 2²¹ = 725610445421 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 (725612542273) 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, 231527643 + ... + 231530776.

It is an arithmetic number, because the mean of its divisors is an integer number (181518900640).

Almost surely, 2^725612542573 is an apocalyptic number.

It is an amenable number.

725612542573 is a deficient number, since it is larger than the sum of its proper divisors (463059987).

725612542573 is a wasteful number, since it uses less digits than its factorization.

725612542573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463059986.

The product of its digits is 3528000, while the sum is 49.

The spelling of 725612542573 in words is "seven hundred twenty-five billion, six hundred twelve million, five hundred forty-two thousand, five hundred seventy-three".