2523154421 has 2 divisors, whose sum is σ = 2523154422. Its totient is φ = 2523154420.

The previous prime is 2523154373. The next prime is 2523154471. The reversal of 2523154421 is 1244513252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1439823025 + 1083331396 = 37945^2 + 32914^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523154421 - 2¹⁸ = 2522892277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2523154471) 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, 1261577210 + 1261577211.

It is an arithmetic number, because the mean of its divisors is an integer number (1261577211).

Almost surely, 2^2523154421 is an apocalyptic number.

It is an amenable number.

2523154421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523154421 is an equidigital number, since it uses as much as digits as its factorization.

2523154421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 29.

The square root of 2523154421 is about 50231.0105512521. The cubic root of 2523154421 is about 1361.3859899056.

Adding to 2523154421 its reverse (1244513252), we get a palindrome (3767667673).

The spelling of 2523154421 in words is "two billion, five hundred twenty-three million, one hundred fifty-four thousand, four hundred twenty-one".