654343234 has 4 divisors (see below), whose sum is σ = 981514854. Its totient is φ = 327171616.

The previous prime is 654343229. The next prime is 654343267. The reversal of 654343234 is 432343456.

654343234 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It can be written as a sum of positive squares in only one way, i.e., 650403009 + 3940225 = 25503^2 + 1985^2 .

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 654343234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163585807 + ... + 163585810.

Almost surely, 2^654343234 is an apocalyptic number.

654343234 is a deficient number, since it is larger than the sum of its proper divisors (327171620).

654343234 is a wasteful number, since it uses less digits than its factorization.

654343234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327171619.

The product of its digits is 103680, while the sum is 34.

The square root of 654343234 is about 25580.1335805738. The cubic root of 654343234 is about 868.1641978440.

The spelling of 654343234 in words is "six hundred fifty-four million, three hundred forty-three thousand, two hundred thirty-four".