654368149 has 2 divisors, whose sum is σ = 654368150. Its totient is φ = 654368148.

The previous prime is 654368107. The next prime is 654368191. The reversal of 654368149 is 941863456.

It is a balanced prime because it is at equal distance from previous prime (654368107) and next prime (654368191).

It can be written as a sum of positive squares in only one way, i.e., 517244049 + 137124100 = 22743^2 + 11710^2 .

It is a cyclic number.

It is not a de Polignac number, because 654368149 - 2²⁵ = 620813717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 654368099 and 654368108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654368249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327184074 + 327184075.

It is an arithmetic number, because the mean of its divisors is an integer number (327184075).

Almost surely, 2^654368149 is an apocalyptic number.

It is an amenable number.

654368149 is a deficient number, since it is larger than the sum of its proper divisors (1).

654368149 is an equidigital number, since it uses as much as digits as its factorization.

654368149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The square root of 654368149 is about 25580.6205749587. The cubic root of 654368149 is about 868.1752165446.

The spelling of 654368149 in words is "six hundred fifty-four million, three hundred sixty-eight thousand, one hundred forty-nine".