626330897 has 2 divisors, whose sum is σ = 626330898. Its totient is φ = 626330896.

The previous prime is 626330879. The next prime is 626330899. The reversal of 626330897 is 798033626.

Together with previous prime (626330879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 626200576 + 130321 = 25024^2 + 361^2 .

It is a cyclic number.

It is not a de Polignac number, because 626330897 - 2⁶ = 626330833 is a prime.

Together with 626330899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (626330899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313165448 + 313165449.

It is an arithmetic number, because the mean of its divisors is an integer number (313165449).

Almost surely, 2^626330897 is an apocalyptic number.

It is an amenable number.

626330897 is a deficient number, since it is larger than the sum of its proper divisors (1).

626330897 is an equidigital number, since it uses as much as digits as its factorization.

626330897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 626330897 is about 25026.6037847727. The cubic root of 626330897 is about 855.5944235717.

The spelling of 626330897 in words is "six hundred twenty-six million, three hundred thirty thousand, eight hundred ninety-seven".