648067097 has 4 divisors (see below), whose sum is σ = 648631296. Its totient is φ = 647502900.

The previous prime is 648067073. The next prime is 648067109. The reversal of 648067097 is 790760846.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 648067097 - 2⁸ = 648066841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (648067027) 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, 280373 + ... + 282674.

It is an arithmetic number, because the mean of its divisors is an integer number (162157824).

Almost surely, 2^648067097 is an apocalyptic number.

It is an amenable number.

648067097 is a deficient number, since it is larger than the sum of its proper divisors (564199).

648067097 is a wasteful number, since it uses less digits than its factorization.

648067097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564198.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 648067097 is about 25457.1619981490. The cubic root of 648067097 is about 865.3796086288.

The spelling of 648067097 in words is "six hundred forty-eight million, sixty-seven thousand, ninety-seven".