525652663050161 has 4 divisors (see below), whose sum is σ = 553318592684400. Its totient is φ = 497986733415924.

The previous prime is 525652663050131. The next prime is 525652663050187. The reversal of 525652663050161 is 161050366256525.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525652663050161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525652663050101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13832964817091 + ... + 13832964817128.

It is an arithmetic number, because the mean of its divisors is an integer number (138329648171100).

Almost surely, 2^{525652663050161} is an apocalyptic number.

It is an amenable number.

525652663050161 is a deficient number, since it is larger than the sum of its proper divisors (27665929634239).

525652663050161 is a wasteful number, since it uses less digits than its factorization.

525652663050161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27665929634238.

The product of its (nonzero) digits is 9720000, while the sum is 53.

The spelling of 525652663050161 in words is "five hundred twenty-five trillion, six hundred fifty-two billion, six hundred sixty-three million, fifty thousand, one hundred sixty-one".