2555402873 has 2 divisors, whose sum is σ = 2555402874. Its totient is φ = 2555402872.

The previous prime is 2555402767. The next prime is 2555402893. The reversal of 2555402873 is 3782045552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2451933289 + 103469584 = 49517^2 + 10172^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555402873 - 2¹² = 2555398777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2555402873.

It is not a weakly prime, because it can be changed into another prime (2555402893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277701436 + 1277701437.

It is an arithmetic number, because the mean of its divisors is an integer number (1277701437).

Almost surely, 2^2555402873 is an apocalyptic number.

It is an amenable number.

2555402873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555402873 is an equidigital number, since it uses as much as digits as its factorization.

2555402873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336000, while the sum is 41.

The square root of 2555402873 is about 50550.9927993506. The cubic root of 2555402873 is about 1367.1614149715.

The spelling of 2555402873 in words is "two billion, five hundred fifty-five million, four hundred two thousand, eight hundred seventy-three".