2875551421 has 2 divisors, whose sum is σ = 2875551422. Its totient is φ = 2875551420.

The previous prime is 2875551389. The next prime is 2875551439. The reversal of 2875551421 is 1241555782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2035363225 + 840188196 = 45115^2 + 28986^2 .

It is a cyclic number.

It is not a de Polignac number, because 2875551421 - 2⁵ = 2875551389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2875551221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1437775710 + 1437775711.

It is an arithmetic number, because the mean of its divisors is an integer number (1437775711).

Almost surely, 2^2875551421 is an apocalyptic number.

It is an amenable number.

2875551421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2875551421 is an equidigital number, since it uses as much as digits as its factorization.

2875551421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112000, while the sum is 40.

The square root of 2875551421 is about 53624.1682546219. The cubic root of 2875551421 is about 1422.0243924027.

The spelling of 2875551421 in words is "two billion, eight hundred seventy-five million, five hundred fifty-one thousand, four hundred twenty-one".