525723053514137 has 4 divisors (see below), whose sum is σ = 525748459375140. Its totient is φ = 525697647653136.

The previous prime is 525723053514119. The next prime is 525723053514181. The reversal of 525723053514137 is 731415350327525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 459605680589056 + 66117372925081 = 21438416^2 + 8131259^2 .

It is a cyclic number.

It is not a de Polignac number, because 525723053514137 - 2⁶ = 525723053514073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525723053814137) 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, 12702899462 + ... + 12702940847.

It is an arithmetic number, because the mean of its divisors is an integer number (131437114843785).

Almost surely, 2^{525723053514137} is an apocalyptic number.

It is an amenable number.

525723053514137 is a deficient number, since it is larger than the sum of its proper divisors (25405861003).

525723053514137 is a wasteful number, since it uses less digits than its factorization.

525723053514137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25405861002.

The product of its (nonzero) digits is 13230000, while the sum is 53.

The spelling of 525723053514137 in words is "five hundred twenty-five trillion, seven hundred twenty-three billion, fifty-three million, five hundred fourteen thousand, one hundred thirty-seven".