53245273 has 2 divisors, whose sum is σ = 53245274. Its totient is φ = 53245272.

The previous prime is 53245271. The next prime is 53245279. The reversal of 53245273 is 37254235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47499664 + 5745609 = 6892^2 + 2397^2 .

It is a cyclic number.

It is not a de Polignac number, because 53245273 - 2¹ = 53245271 is a prime.

Together with 53245271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53245271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26622636 + 26622637.

It is an arithmetic number, because the mean of its divisors is an integer number (26622637).

Almost surely, 2^53245273 is an apocalyptic number.

It is an amenable number.

53245273 is a deficient number, since it is larger than the sum of its proper divisors (1).

53245273 is an equidigital number, since it uses as much as digits as its factorization.

53245273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 31.

The square root of 53245273 is about 7296.9358637719. The cubic root of 53245273 is about 376.2071275602.

The spelling of 53245273 in words is "fifty-three million, two hundred forty-five thousand, two hundred seventy-three".