2523637397 has 2 divisors, whose sum is σ = 2523637398. Its totient is φ = 2523637396.

The previous prime is 2523637387. The next prime is 2523637439. The reversal of 2523637397 is 7937363252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2507105041 + 16532356 = 50071^2 + 4066^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523637397 - 2¹⁶ = 2523571861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2523637357) 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, 1261818698 + 1261818699.

It is an arithmetic number, because the mean of its divisors is an integer number (1261818699).

Almost surely, 2^2523637397 is an apocalyptic number.

It is an amenable number.

2523637397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523637397 is an equidigital number, since it uses as much as digits as its factorization.

2523637397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1428840, while the sum is 47.

The square root of 2523637397 is about 50235.8178693251. The cubic root of 2523637397 is about 1361.4728487472.

The spelling of 2523637397 in words is "two billion, five hundred twenty-three million, six hundred thirty-seven thousand, three hundred ninety-seven".