6611625451 has 2 divisors, whose sum is σ = 6611625452. Its totient is φ = 6611625450.

The previous prime is 6611625389. The next prime is 6611625457. The reversal of 6611625451 is 1545261166.

6611625451 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6611625451 - 2⁷ = 6611625323 is a prime.

It is a super-2 number, since 2×6611625451² = 87427182208621906802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6611625451.

It is not a weakly prime, because it can be changed into another prime (6611625457) 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, 3305812725 + 3305812726.

It is an arithmetic number, because the mean of its divisors is an integer number (3305812726).

Almost surely, 2^6611625451 is an apocalyptic number.

6611625451 is a deficient number, since it is larger than the sum of its proper divisors (1).

6611625451 is an equidigital number, since it uses as much as digits as its factorization.

6611625451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 37.

The square root of 6611625451 is about 81311.9022714387. The cubic root of 6611625451 is about 1876.8781608064.

The spelling of 6611625451 in words is "six billion, six hundred eleven million, six hundred twenty-five thousand, four hundred fifty-one".