742812253 has 2 divisors, whose sum is σ = 742812254. Its totient is φ = 742812252.

The previous prime is 742812251. The next prime is 742812361. The reversal of 742812253 is 352218247.

It is a happy number.

742812253 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 can be written as a sum of positive squares in only one way, i.e., 720278244 + 22534009 = 26838^2 + 4747^2 .

It is a cyclic number.

It is not a de Polignac number, because 742812253 - 2¹ = 742812251 is a prime.

Together with 742812251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742812251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371406126 + 371406127.

It is an arithmetic number, because the mean of its divisors is an integer number (371406127).

Almost surely, 2^742812253 is an apocalyptic number.

It is an amenable number.

742812253 is a deficient number, since it is larger than the sum of its proper divisors (1).

742812253 is an equidigital number, since it uses as much as digits as its factorization.

742812253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 34.

The square root of 742812253 is about 27254.5822385888. The cubic root of 742812253 is about 905.6485295824.

The spelling of 742812253 in words is "seven hundred forty-two million, eight hundred twelve thousand, two hundred fifty-three".