1618087 has 2 divisors, whose sum is σ = 1618088. Its totient is φ = 1618086.

The previous prime is 1618081. The next prime is 1618091. The reversal of 1618087 is 7808161.

It is a strong prime.

It is an emirp because it is prime and its reverse (7808161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1618087 - 2³ = 1618079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1618081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 809043 + 809044.

It is an arithmetic number, because the mean of its divisors is an integer number (809044).

2^1618087 is an apocalyptic number.

1618087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1618087 is an equidigital number, since it uses as much as digits as its factorization.

1618087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 1618087 is about 1272.0404867771. The cubic root of 1618087 is about 117.3997817559.

The spelling of 1618087 in words is "one million, six hundred eighteen thousand, eighty-seven".