655358387 has 2 divisors, whose sum is σ = 655358388. Its totient is φ = 655358386.

The previous prime is 655358359. The next prime is 655358411. The reversal of 655358387 is 783853556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655358387 - 2⁶ = 655358323 is a prime.

It is a super-2 number, since 2×655358387² = 858989230822483538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (655358357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327679193 + 327679194.

It is an arithmetic number, because the mean of its divisors is an integer number (327679194).

Almost surely, 2^655358387 is an apocalyptic number.

655358387 is a deficient number, since it is larger than the sum of its proper divisors (1).

655358387 is an equidigital number, since it uses as much as digits as its factorization.

655358387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024000, while the sum is 50.

The square root of 655358387 is about 25599.9684960744. The cubic root of 655358387 is about 868.6129246868.

The spelling of 655358387 in words is "six hundred fifty-five million, three hundred fifty-eight thousand, three hundred eighty-seven".