45205207 has 2 divisors, whose sum is σ = 45205208. Its totient is φ = 45205206.

The previous prime is 45205187. The next prime is 45205213. The reversal of 45205207 is 70250254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45205207 - 2⁷ = 45205079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45205267) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22602603 + 22602604.

It is an arithmetic number, because the mean of its divisors is an integer number (22602604).

Almost surely, 2^45205207 is an apocalyptic number.

45205207 is a deficient number, since it is larger than the sum of its proper divisors (1).

45205207 is an equidigital number, since it uses as much as digits as its factorization.

45205207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 45205207 is about 6723.4817617065. The cubic root of 45205207 is about 356.2291769095.

The spelling of 45205207 in words is "forty-five million, two hundred five thousand, two hundred seven".