744613253 has 2 divisors, whose sum is σ = 744613254. Its totient is φ = 744613252.

The previous prime is 744613237. The next prime is 744613283. The reversal of 744613253 is 352316447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 476243329 + 268369924 = 21823^2 + 16382^2 .

It is a cyclic number.

It is not a de Polignac number, because 744613253 - 2⁴ = 744613237 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 (744613223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372306626 + 372306627.

It is an arithmetic number, because the mean of its divisors is an integer number (372306627).

Almost surely, 2^744613253 is an apocalyptic number.

It is an amenable number.

744613253 is a deficient number, since it is larger than the sum of its proper divisors (1).

744613253 is an equidigital number, since it uses as much as digits as its factorization.

744613253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 35.

The square root of 744613253 is about 27287.6025513419. The cubic root of 744613253 is about 906.3798747962.

The spelling of 744613253 in words is "seven hundred forty-four million, six hundred thirteen thousand, two hundred fifty-three".