2521133423 has 2 divisors, whose sum is σ = 2521133424. Its totient is φ = 2521133422.

The previous prime is 2521133401. The next prime is 2521133429. The reversal of 2521133423 is 3243311252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2521133423 - 2⁶ = 2521133359 is a prime.

It is a super-2 number, since 2×2521133423² = 12712227473135393858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2521133392 and 2521133401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521133429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260566711 + 1260566712.

It is an arithmetic number, because the mean of its divisors is an integer number (1260566712).

Almost surely, 2^2521133423 is an apocalyptic number.

2521133423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521133423 is an equidigital number, since it uses as much as digits as its factorization.

2521133423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 26.

The square root of 2521133423 is about 50210.8894862459. The cubic root of 2521133423 is about 1361.0224115131.

Adding to 2521133423 its reverse (3243311252), we get a palindrome (5764444675).

The spelling of 2521133423 in words is "two billion, five hundred twenty-one million, one hundred thirty-three thousand, four hundred twenty-three".