525442047566542 has 24 divisors (see below), whose sum is σ = 816284698549632. Its totient is φ = 253659684163200.

The previous prime is 525442047566539. The next prime is 525442047566543. The reversal of 525442047566542 is 245665740244525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525442047566543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225221542 + ... + 227542582.

It is an arithmetic number, because the mean of its divisors is an integer number (34011862439568).

Almost surely, 2^{525442047566542} is an apocalyptic number.

525442047566542 is a deficient number, since it is larger than the sum of its proper divisors (290842650983090).

525442047566542 is a wasteful number, since it uses less digits than its factorization.

525442047566542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455692 (or 2455663 counting only the distinct ones).

The product of its (nonzero) digits is 322560000, while the sum is 61.

The spelling of 525442047566542 in words is "five hundred twenty-five trillion, four hundred forty-two billion, forty-seven million, five hundred sixty-six thousand, five hundred forty-two".