1052050172521 has 8 divisors (see below), whose sum is σ = 1064010492000. Its totient is φ = 1040129262048.

The previous prime is 1052050172507. The next prime is 1052050172557. The reversal of 1052050172521 is 1252710502501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1052050172521 - 2¹¹ = 1052050170473 is a prime.

It is a super-2 number, since 2×1052050172521² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052050172501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9798556 + ... + 9905341.

It is an arithmetic number, because the mean of its divisors is an integer number (133001311500).

Almost surely, 2^{1052050172521} is an apocalyptic number.

It is an amenable number.

1052050172521 is a deficient number, since it is larger than the sum of its proper divisors (11960319479).

1052050172521 is a wasteful number, since it uses less digits than its factorization.

1052050172521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19704503.

The product of its (nonzero) digits is 7000, while the sum is 31.

The spelling of 1052050172521 in words is "one trillion, fifty-two billion, fifty million, one hundred seventy-two thousand, five hundred twenty-one".