2530421237 has 2 divisors, whose sum is σ = 2530421238. Its totient is φ = 2530421236.

The previous prime is 2530421161. The next prime is 2530421239. The reversal of 2530421237 is 7321240352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1490423236 + 1039998001 = 38606^2 + 32249^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530421237 - 2¹⁰ = 2530420213 is a prime.

It is a super-2 number, since 2×2530421237² = 12806063273321220338, which contains 22 as substring.

Together with 2530421239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2530421239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265210618 + 1265210619.

It is an arithmetic number, because the mean of its divisors is an integer number (1265210619).

Almost surely, 2^2530421237 is an apocalyptic number.

It is an amenable number.

2530421237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530421237 is an equidigital number, since it uses as much as digits as its factorization.

2530421237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 2530421237 is about 50303.2925065547. The cubic root of 2530421237 is about 1362.6916913697.

Adding to 2530421237 its reverse (7321240352), we get a palindrome (9851661589).

The spelling of 2530421237 in words is "two billion, five hundred thirty million, four hundred twenty-one thousand, two hundred thirty-seven".