742195253 has 2 divisors, whose sum is σ = 742195254. Its totient is φ = 742195252.

The previous prime is 742195241. The next prime is 742195277. The reversal of 742195253 is 352591247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 481275844 + 260919409 = 21938^2 + 16153^2 .

It is an emirp because it is prime and its reverse (352591247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 742195253 - 2¹⁴ = 742178869 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742198253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371097626 + 371097627.

It is an arithmetic number, because the mean of its divisors is an integer number (371097627).

Almost surely, 2^742195253 is an apocalyptic number.

It is an amenable number.

742195253 is a deficient number, since it is larger than the sum of its proper divisors (1).

742195253 is an equidigital number, since it uses as much as digits as its factorization.

742195253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 742195253 is about 27243.2606895724. The cubic root of 742195253 is about 905.3977080476.

The spelling of 742195253 in words is "seven hundred forty-two million, one hundred ninety-five thousand, two hundred fifty-three".