905616497 has 2 divisors, whose sum is σ = 905616498. Its totient is φ = 905616496.

The previous prime is 905616463. The next prime is 905616527. The reversal of 905616497 is 794616509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 845879056 + 59737441 = 29084^2 + 7729^2 .

It is an emirp because it is prime and its reverse (794616509) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 905616497 - 2²⁰ = 904567921 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (905616097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452808248 + 452808249.

It is an arithmetic number, because the mean of its divisors is an integer number (452808249).

Almost surely, 2^905616497 is an apocalyptic number.

It is an amenable number.

905616497 is a deficient number, since it is larger than the sum of its proper divisors (1).

905616497 is an equidigital number, since it uses as much as digits as its factorization.

905616497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 905616497 is about 30093.4626954094. The cubic root of 905616497 is about 967.4936168390.

The spelling of 905616497 in words is "nine hundred five million, six hundred sixteen thousand, four hundred ninety-seven".