2623515397 has 2 divisors, whose sum is σ = 2623515398. Its totient is φ = 2623515396.

The previous prime is 2623515359. The next prime is 2623515403. The reversal of 2623515397 is 7935153262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2622873796 + 641601 = 51214^2 + 801^2 .

It is a cyclic number.

It is not a de Polignac number, because 2623515397 - 2¹¹ = 2623513349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2623515197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311757698 + 1311757699.

It is an arithmetic number, because the mean of its divisors is an integer number (1311757699).

Almost surely, 2^2623515397 is an apocalyptic number.

It is an amenable number.

2623515397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2623515397 is an equidigital number, since it uses as much as digits as its factorization.

2623515397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 43.

The square root of 2623515397 is about 51220.2635389550. The cubic root of 2623515397 is about 1379.2019815546.

The spelling of 2623515397 in words is "two billion, six hundred twenty-three million, five hundred fifteen thousand, three hundred ninety-seven".