2530025555021 has 2 divisors, whose sum is σ = 2530025555022. Its totient is φ = 2530025555020.

The previous prime is 2530025554997. The next prime is 2530025555039. The reversal of 2530025555021 is 1205555200352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2467142469796 + 62883085225 = 1570714^2 + 250765^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530025555021 - 2¹⁸ = 2530025292877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2530025555821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265012777510 + 1265012777511.

It is an arithmetic number, because the mean of its divisors is an integer number (1265012777511).

Almost surely, 2^{2530025555021} is an apocalyptic number.

It is an amenable number.

2530025555021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530025555021 is an equidigital number, since it uses as much as digits as its factorization.

2530025555021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 2530025555021 in words is "two trillion, five hundred thirty billion, twenty-five million, five hundred fifty-five thousand, twenty-one".