45517507 has 4 divisors (see below), whose sum is σ = 52020016. Its totient is φ = 39015000.

The previous prime is 45517499. The next prime is 45517519. The reversal of 45517507 is 70571554.

It is a happy number.

45517507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45517507 - 2³ = 45517499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45517547) 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 in 3 ways as a sum of consecutive naturals, for example, 3251244 + ... + 3251257.

It is an arithmetic number, because the mean of its divisors is an integer number (13005004).

Almost surely, 2^45517507 is an apocalyptic number.

45517507 is a deficient number, since it is larger than the sum of its proper divisors (6502509).

45517507 is an equidigital number, since it uses as much as digits as its factorization.

45517507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502508.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 45517507 is about 6746.6663619895. Note that the first 3 decimals coincide. The cubic root of 45517507 is about 357.0476310004.

The spelling of 45517507 in words is "forty-five million, five hundred seventeen thousand, five hundred seven".