2087556001 has 2 divisors, whose sum is σ = 2087556002. Its totient is φ = 2087556000.

The previous prime is 2087555993. The next prime is 2087556019. The reversal of 2087556001 is 1006557802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1948339600 + 139216401 = 44140^2 + 11799^2 .

It is a cyclic number.

It is not a de Polignac number, because 2087556001 - 2³ = 2087555993 is a prime.

It is a super-2 number, since 2×2087556001² = 8715780114622224002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2087550001) 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, 1043778000 + 1043778001.

It is an arithmetic number, because the mean of its divisors is an integer number (1043778001).

Almost surely, 2^2087556001 is an apocalyptic number.

It is an amenable number.

2087556001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2087556001 is an equidigital number, since it uses as much as digits as its factorization.

2087556001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 2087556001 is about 45689.7800498098. The cubic root of 2087556001 is about 1278.0447036641.

The spelling of 2087556001 in words is "two billion, eighty-seven million, five hundred fifty-six thousand, one".