97267609 has 4 divisors (see below), whose sum is σ = 98600116. Its totient is φ = 95935104.

The previous prime is 97267589. The next prime is 97267619. The reversal of 97267609 is 90676279.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80946009 + 16321600 = 8997^2 + 4040^2 .

It is a cyclic number.

It is not a de Polignac number, because 97267609 - 2⁹ = 97267097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97267619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666144 + ... + 666289.

It is an arithmetic number, because the mean of its divisors is an integer number (24650029).

Almost surely, 2^97267609 is an apocalyptic number.

It is an amenable number.

97267609 is a deficient number, since it is larger than the sum of its proper divisors (1332507).

97267609 is a wasteful number, since it uses less digits than its factorization.

97267609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332506.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 97267609 is about 9862.4342329873. The cubic root of 97267609 is about 459.8922384624.

The spelling of 97267609 in words is "ninety-seven million, two hundred sixty-seven thousand, six hundred nine".