654577097 has 4 divisors (see below), whose sum is σ = 656177940. Its totient is φ = 652976256.

The previous prime is 654577087. The next prime is 654577103. The reversal of 654577097 is 790775456.

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 274366096 + 380211001 = 16564^2 + 19499^2 .

It is a cyclic number.

It is not a de Polignac number, because 654577097 - 2⁴ = 654577081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654577087) 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, 799808 + ... + 800625.

It is an arithmetic number, because the mean of its divisors is an integer number (164044485).

Almost surely, 2^654577097 is an apocalyptic number.

It is an amenable number.

654577097 is a deficient number, since it is larger than the sum of its proper divisors (1600843).

654577097 is a wasteful number, since it uses less digits than its factorization.

654577097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600842.

The product of its (nonzero) digits is 1852200, while the sum is 50.

The square root of 654577097 is about 25584.7043563141. The cubic root of 654577097 is about 868.2676131416.

The spelling of 654577097 in words is "six hundred fifty-four million, five hundred seventy-seven thousand, ninety-seven".