45530513 has 4 divisors (see below), whose sum is σ = 52034880. Its totient is φ = 39026148.

The previous prime is 45530509. The next prime is 45530519. The reversal of 45530513 is 31503554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45530513 - 2² = 45530509 is a prime.

It is a super-2 number, since 2×45530513² = 4146055228086338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45530519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3252173 + ... + 3252186.

It is an arithmetic number, because the mean of its divisors is an integer number (13008720).

Almost surely, 2^45530513 is an apocalyptic number.

It is an amenable number.

45530513 is a deficient number, since it is larger than the sum of its proper divisors (6504367).

45530513 is an equidigital number, since it uses as much as digits as its factorization.

45530513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6504366.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 45530513 is about 6747.6301765879. The cubic root of 45530513 is about 357.0816349077.

The spelling of 45530513 in words is "forty-five million, five hundred thirty thousand, five hundred thirteen".