920242597 has 2 divisors, whose sum is σ = 920242598. Its totient is φ = 920242596.

The previous prime is 920242579. The next prime is 920242601. The reversal of 920242597 is 795242029.

Together with previous prime (920242579) 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., 738154561 + 182088036 = 27169^2 + 13494^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920242597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920242517) 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, 460121298 + 460121299.

It is an arithmetic number, because the mean of its divisors is an integer number (460121299).

Almost surely, 2^920242597 is an apocalyptic number.

It is an amenable number.

920242597 is a deficient number, since it is larger than the sum of its proper divisors (1).

920242597 is an equidigital number, since it uses as much as digits as its factorization.

920242597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 920242597 is about 30335.5006057260. The cubic root of 920242597 is about 972.6743067969.

The spelling of 920242597 in words is "nine hundred twenty million, two hundred forty-two thousand, five hundred ninety-seven".