75441253 has 2 divisors, whose sum is σ = 75441254. Its totient is φ = 75441252.

The previous prime is 75441241. The next prime is 75441293. The reversal of 75441253 is 35214457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64272289 + 11168964 = 8017^2 + 3342^2 .

It is an emirp because it is prime and its reverse (35214457) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75441253 - 2⁹ = 75440741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75441203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37720626 + 37720627.

It is an arithmetic number, because the mean of its divisors is an integer number (37720627).

Almost surely, 2^75441253 is an apocalyptic number.

It is an amenable number.

75441253 is a deficient number, since it is larger than the sum of its proper divisors (1).

75441253 is an equidigital number, since it uses as much as digits as its factorization.

75441253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 31.

The square root of 75441253 is about 8685.6924306586. The cubic root of 75441253 is about 422.5417542152.

The spelling of 75441253 in words is "seventy-five million, four hundred forty-one thousand, two hundred fifty-three".