525442052382621 has 8 divisors (see below), whose sum is σ = 764279348920224. Its totient is φ = 318449728716720.

The previous prime is 525442052382547. The next prime is 525442052382661. The reversal of 525442052382621 is 126283250244525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 525442052382621 - 2¹⁹ = 525442051858333 is a prime.

It is a super-2 number, since 2×525442052382621² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525442052382661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7961243217886 + ... + 7961243217951.

It is an arithmetic number, because the mean of its divisors is an integer number (95534918615028).

Almost surely, 2^{525442052382621} is an apocalyptic number.

It is an amenable number.

525442052382621 is a deficient number, since it is larger than the sum of its proper divisors (238837296537603).

525442052382621 is a wasteful number, since it uses less digits than its factorization.

525442052382621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15922486435851.

The product of its (nonzero) digits is 9216000, while the sum is 51.

The spelling of 525442052382621 in words is "five hundred twenty-five trillion, four hundred forty-two billion, fifty-two million, three hundred eighty-two thousand, six hundred twenty-one".