2171180587 has 2 divisors, whose sum is σ = 2171180588. Its totient is φ = 2171180586.

The previous prime is 2171180581. The next prime is 2171180593. The reversal of 2171180587 is 7850811712.

It is a balanced prime because it is at equal distance from previous prime (2171180581) and next prime (2171180593).

It is a cyclic number.

It is not a de Polignac number, because 2171180587 - 2³ = 2171180579 is a prime.

It is not a weakly prime, because it can be changed into another prime (2171180581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085590293 + 1085590294.

It is an arithmetic number, because the mean of its divisors is an integer number (1085590294).

Almost surely, 2^2171180587 is an apocalyptic number.

2171180587 is a deficient number, since it is larger than the sum of its proper divisors (1).

2171180587 is an equidigital number, since it uses as much as digits as its factorization.

2171180587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 40.

The square root of 2171180587 is about 46595.9288672305. The cubic root of 2171180587 is about 1294.8873327640.

The spelling of 2171180587 in words is "two billion, one hundred seventy-one million, one hundred eighty thousand, five hundred eighty-seven".