609701497 has 2 divisors, whose sum is σ = 609701498. Its totient is φ = 609701496.

The previous prime is 609701489. The next prime is 609701501. The reversal of 609701497 is 794107906.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 559984896 + 49716601 = 23664^2 + 7051^2 .

It is a cyclic number.

It is not a de Polignac number, because 609701497 - 2³ = 609701489 is a prime.

It is not a weakly prime, because it can be changed into another prime (609701467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304850748 + 304850749.

It is an arithmetic number, because the mean of its divisors is an integer number (304850749).

Almost surely, 2^609701497 is an apocalyptic number.

It is an amenable number.

609701497 is a deficient number, since it is larger than the sum of its proper divisors (1).

609701497 is an equidigital number, since it uses as much as digits as its factorization.

609701497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 609701497 is about 24692.1343143925. The cubic root of 609701497 is about 847.9542484698.

The spelling of 609701497 in words is "six hundred nine million, seven hundred one thousand, four hundred ninety-seven".