725484127 has 4 divisors (see below), whose sum is σ = 725541840. Its totient is φ = 725426416.

The previous prime is 725484091. The next prime is 725484131. The reversal of 725484127 is 721484527.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 721484527 = 1489 ⋅484543.

It is a cyclic number.

It is not a de Polignac number, because 725484127 - 2²⁷ = 591266399 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 725484127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725484187) 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, 1102 + ... + 38107.

It is an arithmetic number, because the mean of its divisors is an integer number (181385460).

Almost surely, 2^725484127 is an apocalyptic number.

725484127 is a deficient number, since it is larger than the sum of its proper divisors (57713).

725484127 is a wasteful number, since it uses less digits than its factorization.

725484127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57712.

The product of its digits is 125440, while the sum is 40.

The square root of 725484127 is about 26934.8125480761. The cubic root of 725484127 is about 898.5508064223.

The spelling of 725484127 in words is "seven hundred twenty-five million, four hundred eighty-four thousand, one hundred twenty-seven".