2521234343 has 2 divisors, whose sum is σ = 2521234344. Its totient is φ = 2521234342.

The previous prime is 2521234319. The next prime is 2521234349. The reversal of 2521234343 is 3434321252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2521234343 - 2¹⁸ = 2520972199 is a prime.

It is a super-2 number, since 2×2521234343² = 12713245224645283298, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521234349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260617171 + 1260617172.

It is an arithmetic number, because the mean of its divisors is an integer number (1260617172).

Almost surely, 2^2521234343 is an apocalyptic number.

2521234343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521234343 is an equidigital number, since it uses as much as digits as its factorization.

2521234343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 29.

The square root of 2521234343 is about 50211.8944374737. The cubic root of 2521234343 is about 1361.0405716718.

Adding to 2521234343 its reverse (3434321252), we get a palindrome (5955555595).

The spelling of 2521234343 in words is "two billion, five hundred twenty-one million, two hundred thirty-four thousand, three hundred forty-three".