2587122073 has 2 divisors, whose sum is σ = 2587122074. Its totient is φ = 2587122072.

The previous prime is 2587122049. The next prime is 2587122113. The reversal of 2587122073 is 3702217852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1815782544 + 771339529 = 42612^2 + 27773^2 .

It is a cyclic number.

It is not a de Polignac number, because 2587122073 - 2⁹ = 2587121561 is a prime.

It is not a weakly prime, because it can be changed into another prime (2587128073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1293561036 + 1293561037.

It is an arithmetic number, because the mean of its divisors is an integer number (1293561037).

Almost surely, 2^2587122073 is an apocalyptic number.

It is an amenable number.

2587122073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2587122073 is an equidigital number, since it uses as much as digits as its factorization.

2587122073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 2587122073 is about 50863.7599180399. The cubic root of 2587122073 is about 1372.7948473995.

The spelling of 2587122073 in words is "two billion, five hundred eighty-seven million, one hundred twenty-two thousand, seventy-three".