6445125107 has 2 divisors, whose sum is σ = 6445125108. Its totient is φ = 6445125106.

The previous prime is 6445124989. The next prime is 6445125121. The reversal of 6445125107 is 7015215446.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6445125107 is a prime.

It is a super-2 number, since 2×6445125107² = 83079275289763522898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6445925107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222562553 + 3222562554.

It is an arithmetic number, because the mean of its divisors is an integer number (3222562554).

Almost surely, 2^6445125107 is an apocalyptic number.

6445125107 is a deficient number, since it is larger than the sum of its proper divisors (1).

6445125107 is an equidigital number, since it uses as much as digits as its factorization.

6445125107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 6445125107 is about 80281.5365261528. The cubic root of 6445125107 is about 1860.9889051879.

The spelling of 6445125107 in words is "six billion, four hundred forty-five million, one hundred twenty-five thousand, one hundred seven".