75945253 has 2 divisors, whose sum is σ = 75945254. Its totient is φ = 75945252.

The previous prime is 75945251. The next prime is 75945269. The reversal of 75945253 is 35254957.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42224004 + 33721249 = 6498^2 + 5807^2 .

It is a cyclic number.

It is not a de Polignac number, because 75945253 - 2¹ = 75945251 is a prime.

Together with 75945251, 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 (75945251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37972626 + 37972627.

It is an arithmetic number, because the mean of its divisors is an integer number (37972627).

Almost surely, 2^75945253 is an apocalyptic number.

It is an amenable number.

75945253 is a deficient number, since it is larger than the sum of its proper divisors (1).

75945253 is an equidigital number, since it uses as much as digits as its factorization.

75945253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189000, while the sum is 40.

The square root of 75945253 is about 8714.6573656111. The cubic root of 75945253 is about 423.4806240662.

The spelling of 75945253 in words is "seventy-five million, nine hundred forty-five thousand, two hundred fifty-three".