742253 has 2 divisors, whose sum is σ = 742254. Its totient is φ = 742252.

The previous prime is 742243. The next prime is 742277. The reversal of 742253 is 352247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426409 + 315844 = 653^2 + 562^2 .

It is a cyclic number.

It is not a de Polignac number, because 742253 - 2¹⁰ = 741229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 742253.

It is not a weakly prime, because it can be changed into another prime (742213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371126 + 371127.

It is an arithmetic number, because the mean of its divisors is an integer number (371127).

2⁷⁴²²⁵³ is an apocalyptic number.

It is an amenable number.

742253 is a deficient number, since it is larger than the sum of its proper divisors (1).

742253 is an equidigital number, since it uses as much as digits as its factorization.

742253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 23.

The square root of 742253 is about 861.5410611225. The cubic root of 742253 is about 90.5421189131.

The spelling of 742253 in words is "seven hundred forty-two thousand, two hundred fifty-three".