3122401253 has 2 divisors, whose sum is σ = 3122401254. Its totient is φ = 3122401252.

The previous prime is 3122401229. The next prime is 3122401267. The reversal of 3122401253 is 3521042213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2819397604 + 303003649 = 53098^2 + 17407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3122401253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3122401213) 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, 1561200626 + 1561200627.

It is an arithmetic number, because the mean of its divisors is an integer number (1561200627).

Almost surely, 2^3122401253 is an apocalyptic number.

It is an amenable number.

3122401253 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122401253 is an equidigital number, since it uses as much as digits as its factorization.

3122401253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3122401253 is about 55878.4507032899. The cubic root of 3122401253 is about 1461.6034883236.

Adding to 3122401253 its reverse (3521042213), we get a palindrome (6643443466).

The spelling of 3122401253 in words is "three billion, one hundred twenty-two million, four hundred one thousand, two hundred fifty-three".