6225340404397 has 2 divisors, whose sum is σ = 6225340404398. Its totient is φ = 6225340404396.

The previous prime is 6225340404301. The next prime is 6225340404419. The reversal of 6225340404397 is 7934040435226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3267150240676 + 2958190163721 = 1807526^2 + 1719939^2 .

It is a cyclic number.

It is not a de Polignac number, because 6225340404397 - 2³⁵ = 6190980666029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6225340404397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6225344404397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3112670202198 + 3112670202199.

It is an arithmetic number, because the mean of its divisors is an integer number (3112670202199).

Almost surely, 2^{6225340404397} is an apocalyptic number.

It is an amenable number.

6225340404397 is a deficient number, since it is larger than the sum of its proper divisors (1).

6225340404397 is an equidigital number, since it uses as much as digits as its factorization.

6225340404397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 49.

The spelling of 6225340404397 in words is "six trillion, two hundred twenty-five billion, three hundred forty million, four hundred four thousand, three hundred ninety-seven".