6415325815253 has 2 divisors, whose sum is σ = 6415325815254. Its totient is φ = 6415325815252.

The previous prime is 6415325815229. The next prime is 6415325815291. The reversal of 6415325815253 is 3525185235146.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6137699043844 + 277626771409 = 2477438^2 + 526903^2 .

It is a cyclic number.

It is not a de Polignac number, because 6415325815253 - 2²² = 6415321620949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6415325815553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3207662907626 + 3207662907627.

It is an arithmetic number, because the mean of its divisors is an integer number (3207662907627).

Almost surely, 2^{6415325815253} is an apocalyptic number.

It is an amenable number.

6415325815253 is a deficient number, since it is larger than the sum of its proper divisors (1).

6415325815253 is an equidigital number, since it uses as much as digits as its factorization.

6415325815253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320000, while the sum is 50.

The spelling of 6415325815253 in words is "six trillion, four hundred fifteen billion, three hundred twenty-five million, eight hundred fifteen thousand, two hundred fifty-three".