45210013 has 4 divisors (see below), whose sum is σ = 45229120. Its totient is φ = 45190908.

The previous prime is 45209993. The next prime is 45210037. The reversal of 45210013 is 31001254.

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 a de Polignac number, because none of the positive numbers 2^k-45210013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45210313) 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, 5403 + ... + 10936.

It is an arithmetic number, because the mean of its divisors is an integer number (11307280).

Almost surely, 2^45210013 is an apocalyptic number.

It is an amenable number.

45210013 is a deficient number, since it is larger than the sum of its proper divisors (19107).

45210013 is a wasteful number, since it uses less digits than its factorization.

45210013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19106.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 45210013 is about 6723.8391563154. The cubic root of 45210013 is about 356.2418006526.

Adding to 45210013 its reverse (31001254), we get a palindrome (76211267).

The spelling of 45210013 in words is "forty-five million, two hundred ten thousand, thirteen".