45270257 has 2 divisors, whose sum is σ = 45270258. Its totient is φ = 45270256.

The previous prime is 45270229. The next prime is 45270263. The reversal of 45270257 is 75207254.

45270257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45212176 + 58081 = 6724^2 + 241^2 .

It is a cyclic number.

It is not a de Polignac number, because 45270257 - 2¹⁰ = 45269233 is a prime.

It is not a weakly prime, because it can be changed into another prime (45270227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22635128 + 22635129.

It is an arithmetic number, because the mean of its divisors is an integer number (22635129).

Almost surely, 2^45270257 is an apocalyptic number.

It is an amenable number.

45270257 is a deficient number, since it is larger than the sum of its proper divisors (1).

45270257 is an equidigital number, since it uses as much as digits as its factorization.

45270257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 45270257 is about 6728.3175460140. The cubic root of 45270257 is about 356.3999655070.

The spelling of 45270257 in words is "forty-five million, two hundred seventy thousand, two hundred fifty-seven".