725213400727 has 4 divisors (see below), whose sum is σ = 725419958896. Its totient is φ = 725006842560.

The previous prime is 725213400713. The next prime is 725213400733. The reversal of 725213400727 is 727004312527.

725213400727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 727004312527 = 31 ⋅23451752017.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725213400727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 725213400727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725213403727) 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, 103273818 + ... + 103280839.

It is an arithmetic number, because the mean of its divisors is an integer number (181354989724).

Almost surely, 2^725213400727 is an apocalyptic number.

725213400727 is a deficient number, since it is larger than the sum of its proper divisors (206558169).

725213400727 is a wasteful number, since it uses less digits than its factorization.

725213400727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206558168.

The product of its (nonzero) digits is 164640, while the sum is 40.

The spelling of 725213400727 in words is "seven hundred twenty-five billion, two hundred thirteen million, four hundred thousand, seven hundred twenty-seven".