654534473 has 2 divisors, whose sum is σ = 654534474. Its totient is φ = 654534472.

The previous prime is 654534451. The next prime is 654534479. The reversal of 654534473 is 374435456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 490489609 + 164044864 = 22147^2 + 12808^2 .

It is a cyclic number.

It is not a de Polignac number, because 654534473 - 2²² = 650340169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 654534473.

It is not a weakly prime, because it can be changed into another prime (654534479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327267236 + 327267237.

It is an arithmetic number, because the mean of its divisors is an integer number (327267237).

Almost surely, 2^654534473 is an apocalyptic number.

It is an amenable number.

654534473 is a deficient number, since it is larger than the sum of its proper divisors (1).

654534473 is an equidigital number, since it uses as much as digits as its factorization.

654534473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 41.

The square root of 654534473 is about 25583.8713450486. The cubic root of 654534473 is about 868.2487664479.

The spelling of 654534473 in words is "six hundred fifty-four million, five hundred thirty-four thousand, four hundred seventy-three".