2523171439 has 2 divisors, whose sum is σ = 2523171440. Its totient is φ = 2523171438.

The previous prime is 2523171421. The next prime is 2523171479. The reversal of 2523171439 is 9341713252.

2523171439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2523171439 - 2⁵ = 2523171407 is a prime.

It is a super-2 number, since 2×2523171439² = 12732788221170661442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2523171398 and 2523171407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2523171479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261585719 + 1261585720.

It is an arithmetic number, because the mean of its divisors is an integer number (1261585720).

Almost surely, 2^2523171439 is an apocalyptic number.

2523171439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523171439 is an equidigital number, since it uses as much as digits as its factorization.

2523171439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 2523171439 is about 50231.1799483150. The cubic root of 2523171439 is about 1361.3890506265.

The spelling of 2523171439 in words is "two billion, five hundred twenty-three million, one hundred seventy-one thousand, four hundred thirty-nine".