2505551143 has 2 divisors, whose sum is σ = 2505551144. Its totient is φ = 2505551142.

The previous prime is 2505551039. The next prime is 2505551173. The reversal of 2505551143 is 3411555052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2505551143 - 2¹³ = 2505542951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505551173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252775571 + 1252775572.

It is an arithmetic number, because the mean of its divisors is an integer number (1252775572).

Almost surely, 2^2505551143 is an apocalyptic number.

2505551143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505551143 is an equidigital number, since it uses as much as digits as its factorization.

2505551143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 2505551143 is about 50055.4806489759. The cubic root of 2505551143 is about 1358.2126070564.

The spelling of 2505551143 in words is "two billion, five hundred five million, five hundred fifty-one thousand, one hundred forty-three".