525530500224122 has 4 divisors (see below), whose sum is σ = 788295750336186. Its totient is φ = 262765250112060.

The previous prime is 525530500224031. The next prime is 525530500224127. The reversal of 525530500224122 is 221422005035525.

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

It can be written as a sum of positive squares in only one way, i.e., 471509043919081 + 54021456305041 = 21714259^2 + 7349929^2 .

It is not an unprimeable number, because it can be changed into a prime (525530500224127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131382625056029 + ... + 131382625056032.

Almost surely, 2^{525530500224122} is an apocalyptic number.

525530500224122 is a deficient number, since it is larger than the sum of its proper divisors (262765250112064).

525530500224122 is a wasteful number, since it uses less digits than its factorization.

525530500224122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262765250112063.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 525530500224122 its reverse (221422005035525), we get a palindrome (746952505259647).

The spelling of 525530500224122 in words is "five hundred twenty-five trillion, five hundred thirty billion, five hundred million, two hundred twenty-four thousand, one hundred twenty-two".