1030525052521 has 4 divisors (see below), whose sum is σ = 1084763213200. Its totient is φ = 976286891844.

The previous prime is 1030525052507. The next prime is 1030525052527. The reversal of 1030525052521 is 1252505250301.

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 not a de Polignac number, because 1030525052521 - 2²⁹ = 1029988181609 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030525052527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27119080311 + ... + 27119080348.

It is an arithmetic number, because the mean of its divisors is an integer number (271190803300).

Almost surely, 2^{1030525052521} is an apocalyptic number.

It is an amenable number.

1030525052521 is a deficient number, since it is larger than the sum of its proper divisors (54238160679).

1030525052521 is an equidigital number, since it uses as much as digits as its factorization.

1030525052521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54238160678.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 1030525052521 in words is "one trillion, thirty billion, five hundred twenty-five million, fifty-two thousand, five hundred twenty-one".