45525047 has 4 divisors (see below), whose sum is σ = 46635456. Its totient is φ = 44414640.

The previous prime is 45525001. The next prime is 45525061. The reversal of 45525047 is 74052554.

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 45525047 - 2¹⁶ = 45459511 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 (45545047) 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, 555143 + ... + 555224.

It is an arithmetic number, because the mean of its divisors is an integer number (11658864).

Almost surely, 2^45525047 is an apocalyptic number.

45525047 is a deficient number, since it is larger than the sum of its proper divisors (1110409).

45525047 is a wasteful number, since it uses less digits than its factorization.

45525047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110408.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 45525047 is about 6747.2251333419. The cubic root of 45525047 is about 357.0673449572.

The spelling of 45525047 in words is "forty-five million, five hundred twenty-five thousand, forty-seven".