2537563397 has 2 divisors, whose sum is σ = 2537563398. Its totient is φ = 2537563396.

The previous prime is 2537563363. The next prime is 2537563409. The reversal of 2537563397 is 7933657352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2431081636 + 106481761 = 49306^2 + 10319^2 .

It is a cyclic number.

It is not a de Polignac number, because 2537563397 - 2¹⁰ = 2537562373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2537563997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1268781698 + 1268781699.

It is an arithmetic number, because the mean of its divisors is an integer number (1268781699).

Almost surely, 2^2537563397 is an apocalyptic number.

It is an amenable number.

2537563397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2537563397 is an equidigital number, since it uses as much as digits as its factorization.

2537563397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3572100, while the sum is 50.

The square root of 2537563397 is about 50374.2334631506. The cubic root of 2537563397 is about 1363.9725610660.

The spelling of 2537563397 in words is "two billion, five hundred thirty-seven million, five hundred sixty-three thousand, three hundred ninety-seven".