655087 has 2 divisors, whose sum is σ = 655088. Its totient is φ = 655086.

The previous prime is 655069. The next prime is 655103. The reversal of 655087 is 780556.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327543 + 327544.

It is an arithmetic number, because the mean of its divisors is an integer number (327544).

2⁶⁵⁵⁰⁸⁷ is an apocalyptic number.

655087 is a deficient number, since it is larger than the sum of its proper divisors (1).

655087 is an equidigital number, since it uses as much as digits as its factorization.

655087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 655087 is about 809.3744498068. The cubic root of 655087 is about 86.8493009229.

The spelling of 655087 in words is "six hundred fifty-five thousand, eighty-seven".