655358149 has 2 divisors, whose sum is σ = 655358150. Its totient is φ = 655358148.

The previous prime is 655358147. The next prime is 655358161. The reversal of 655358149 is 941853556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 585301249 + 70056900 = 24193^2 + 8370^2 .

It is a cyclic number.

It is not a de Polignac number, because 655358149 - 2¹ = 655358147 is a prime.

Together with 655358147, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 655358099 and 655358108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655358147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327679074 + 327679075.

It is an arithmetic number, because the mean of its divisors is an integer number (327679075).

Almost surely, 2^655358149 is an apocalyptic number.

It is an amenable number.

655358149 is a deficient number, since it is larger than the sum of its proper divisors (1).

655358149 is an equidigital number, since it uses as much as digits as its factorization.

655358149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 46.

The square root of 655358149 is about 25599.9638476307. The cubic root of 655358149 is about 868.6128195383.

The spelling of 655358149 in words is "six hundred fifty-five million, three hundred fifty-eight thousand, one hundred forty-nine".