2530732381 has 2 divisors, whose sum is σ = 2530732382. Its totient is φ = 2530732380.

The previous prime is 2530732313. The next prime is 2530732441. The reversal of 2530732381 is 1832370352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2156116356 + 374616025 = 46434^2 + 19355^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530732381 - 2⁹ = 2530731869 is a prime.

It is a super-2 number, since 2×2530732381² = 12809212768483858322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2530732301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265366190 + 1265366191.

It is an arithmetic number, because the mean of its divisors is an integer number (1265366191).

Almost surely, 2^2530732381 is an apocalyptic number.

It is an amenable number.

2530732381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530732381 is an equidigital number, since it uses as much as digits as its factorization.

2530732381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 2530732381 is about 50306.3850917555. The cubic root of 2530732381 is about 1362.7475418819.

The spelling of 2530732381 in words is "two billion, five hundred thirty million, seven hundred thirty-two thousand, three hundred eighty-one".