725520141231 has 4 divisors (see below), whose sum is σ = 967360188312. Its totient is φ = 483680094152.

The previous prime is 725520141221. The next prime is 725520141253. The reversal of 725520141231 is 132141025527.

It is a happy number.

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 725520141231 - 2⁶ = 725520141167 is a prime.

It is a super-2 number, since 2×725520141231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 725520141192 and 725520141201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725520141221) 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, 120920023536 + ... + 120920023541.

It is an arithmetic number, because the mean of its divisors is an integer number (241840047078).

Almost surely, 2^725520141231 is an apocalyptic number.

725520141231 is a deficient number, since it is larger than the sum of its proper divisors (241840047081).

725520141231 is a wasteful number, since it uses less digits than its factorization.

725520141231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241840047080.

The product of its (nonzero) digits is 16800, while the sum is 33.

Adding to 725520141231 its reverse (132141025527), we get a palindrome (857661166758).

The spelling of 725520141231 in words is "seven hundred twenty-five billion, five hundred twenty million, one hundred forty-one thousand, two hundred thirty-one".