2530521502573 has 2 divisors, whose sum is σ = 2530521502574. Its totient is φ = 2530521502572.

The previous prime is 2530521502547. The next prime is 2530521502709. The reversal of 2530521502573 is 3752051250352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2295821948809 + 234699553764 = 1515197^2 + 484458^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530521502573 - 2²⁹ = 2529984631661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2530521502513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265260751286 + 1265260751287.

It is an arithmetic number, because the mean of its divisors is an integer number (1265260751287).

Almost surely, 2^{2530521502573} is an apocalyptic number.

It is an amenable number.

2530521502573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530521502573 is an equidigital number, since it uses as much as digits as its factorization.

2530521502573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315000, while the sum is 40.

It can be divided in two parts, 253052 and 1502573, that added together give a square (1755625 = 1325²).

The spelling of 2530521502573 in words is "two trillion, five hundred thirty billion, five hundred twenty-one million, five hundred two thousand, five hundred seventy-three".