620068597 has 2 divisors, whose sum is σ = 620068598. Its totient is φ = 620068596.

The previous prime is 620068577. The next prime is 620068601. The reversal of 620068597 is 795860026.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 584140561 + 35928036 = 24169^2 + 5994^2 .

It is a cyclic number.

It is not a de Polignac number, because 620068597 - 2²³ = 611679989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620068507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310034298 + 310034299.

It is an arithmetic number, because the mean of its divisors is an integer number (310034299).

Almost surely, 2^620068597 is an apocalyptic number.

It is an amenable number.

620068597 is a deficient number, since it is larger than the sum of its proper divisors (1).

620068597 is an equidigital number, since it uses as much as digits as its factorization.

620068597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 620068597 is about 24901.1766187865. The cubic root of 620068597 is about 852.7333449061.

The spelling of 620068597 in words is "six hundred twenty million, sixty-eight thousand, five hundred ninety-seven".