45247207 has 2 divisors, whose sum is σ = 45247208. Its totient is φ = 45247206.

The previous prime is 45247199. The next prime is 45247211. The reversal of 45247207 is 70274254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45247207 - 2³ = 45247199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45247297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22623603 + 22623604.

It is an arithmetic number, because the mean of its divisors is an integer number (22623604).

Almost surely, 2^45247207 is an apocalyptic number.

45247207 is a deficient number, since it is larger than the sum of its proper divisors (1).

45247207 is an equidigital number, since it uses as much as digits as its factorization.

45247207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 45247207 is about 6726.6044182782. The cubic root of 45247207 is about 356.3394665215.

It can be divided in two parts, 45247 and 207, that added together give a palindrome (45454).

The spelling of 45247207 in words is "forty-five million, two hundred forty-seven thousand, two hundred seven".