45065513 has 4 divisors (see below), whose sum is σ = 45087120. Its totient is φ = 45043908.

The previous prime is 45065509. The next prime is 45065539. The reversal of 45065513 is 31556054.

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 a cyclic number.

It is not a de Polignac number, because 45065513 - 2² = 45065509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45065563) 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, 7295 + ... + 11972.

It is an arithmetic number, because the mean of its divisors is an integer number (11271780).

Almost surely, 2^45065513 is an apocalyptic number.

It is an amenable number.

45065513 is a deficient number, since it is larger than the sum of its proper divisors (21607).

45065513 is a wasteful number, since it uses less digits than its factorization.

45065513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21606.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 45065513 is about 6713.0852072650. The cubic root of 45065513 is about 355.8618561977.

The spelling of 45065513 in words is "forty-five million, sixty-five thousand, five hundred thirteen".