45208519 has 2 divisors, whose sum is σ = 45208520. Its totient is φ = 45208518.

The previous prime is 45208517. The next prime is 45208531. The reversal of 45208519 is 91580254.

45208519 is nontrivially palindromic in base 5.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45208519 - 2¹ = 45208517 is a prime.

It is a super-2 number, since 2×45208519² = 4087620380346722, which contains 22 as substring.

Together with 45208517, 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 (45208517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22604259 + 22604260.

It is an arithmetic number, because the mean of its divisors is an integer number (22604260).

Almost surely, 2^45208519 is an apocalyptic number.

45208519 is a deficient number, since it is larger than the sum of its proper divisors (1).

45208519 is an equidigital number, since it uses as much as digits as its factorization.

45208519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 45208519 is about 6723.7280581535. The cubic root of 45208519 is about 356.2378765137.

The spelling of 45208519 in words is "forty-five million, two hundred eight thousand, five hundred nineteen".