905980597 has 2 divisors, whose sum is σ = 905980598. Its totient is φ = 905980596.

The previous prime is 905980571. The next prime is 905980651. The reversal of 905980597 is 795089509.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 904445476 + 1535121 = 30074^2 + 1239^2 .

It is an emirp because it is prime and its reverse (795089509) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 905980597 - 2⁷ = 905980469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (905980697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452990298 + 452990299.

It is an arithmetic number, because the mean of its divisors is an integer number (452990299).

Almost surely, 2^905980597 is an apocalyptic number.

It is an amenable number.

905980597 is a deficient number, since it is larger than the sum of its proper divisors (1).

905980597 is an equidigital number, since it uses as much as digits as its factorization.

905980597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1020600, while the sum is 52.

The square root of 905980597 is about 30099.5115741103. The cubic root of 905980597 is about 967.6232586277.

The spelling of 905980597 in words is "nine hundred five million, nine hundred eighty thousand, five hundred ninety-seven".