1030528513253 has 8 divisors (see below), whose sum is σ = 1091533044888. Its totient is φ = 969566782464.

The previous prime is 1030528513237. The next prime is 1030528513309. The reversal of 1030528513253 is 3523158250301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 63527690209 + 967000823044 = 252047^2 + 983362^2 .

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 1030528513253 - 2⁴ = 1030528513237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030528503253) 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, 10650626 + ... + 10746947.

It is an arithmetic number, because the mean of its divisors is an integer number (136441630611).

Almost surely, 2^{1030528513253} is an apocalyptic number.

It is an amenable number.

1030528513253 is a deficient number, since it is larger than the sum of its proper divisors (61004531635).

1030528513253 is a wasteful number, since it uses less digits than its factorization.

1030528513253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21400423.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 1030528513253 in words is "one trillion, thirty billion, five hundred twenty-eight million, five hundred thirteen thousand, two hundred fifty-three".