2530356397 has 2 divisors, whose sum is σ = 2530356398. Its totient is φ = 2530356396.

The previous prime is 2530356391. The next prime is 2530356443. The reversal of 2530356397 is 7936530352.

2530356397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2402078121 + 128278276 = 49011^2 + 11326^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530356397 - 2¹¹ = 2530354349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2530356391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265178198 + 1265178199.

It is an arithmetic number, because the mean of its divisors is an integer number (1265178199).

Almost surely, 2^2530356397 is an apocalyptic number.

It is an amenable number.

2530356397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530356397 is an equidigital number, since it uses as much as digits as its factorization.

2530356397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 510300, while the sum is 43.

The square root of 2530356397 is about 50302.6480118095. The cubic root of 2530356397 is about 1362.6800519790.

The spelling of 2530356397 in words is "two billion, five hundred thirty million, three hundred fifty-six thousand, three hundred ninety-seven".